Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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3 so, why dont more people shop locally, supporting small businesses in…
It introduces information that supports an opposing claim.
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b. speakers name and topic c. personal opinions d. audience questions 6…
B. Communicate effectively ### Question 7
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5. in the bakery, a container of cookies is $4.55 and contains 13 servi…
$\$0.35$
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4. mariah has 72 flowers in 4 vases. she put the same number of flowers…
18 flowers
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3. doug read 231 pages in 7 hours. he read the same number of pages eac…
33 pages
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that result in hundreds or even thousands of dollars raised for various…
There is no reason to believe that eliminating the penny would lead to the elimination of other currency that features Lincoln.
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2. six oranges cost $5.34. how much does 1 orange cost?
$0.89$ dollars
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the most common reason given for eliminating the penny is that the coin…
It summarizes an opposing argument.
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in use. 2 the most common reason given for eliminating the penny is tha…
Researchers found that eliminating the penny made it harder for Canadian families to afford groceries.
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language building activity definitions in context for the following mul…
1. A large tube-like part of the body that transports blood 2. A large ship or boat 3. A large building
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1. travis drove 129 miles in 3 hours. he drove at a constant speed. how…
43 miles
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5 nasa has continued to roll out plans to search for signs of life on b…
It outlines NASA's future initiatives to search for signs of alien life in the galaxy.
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multiply. write your answer in scientific notation. \\((2 \\times 10^{-…
$8\times 10^{4}$
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25)29556 00000 0 1 2 3 4 5 6 7 8 9 0 10,000 20,000 30,000
The missing digit is 1, and the quotient 1182.24 is located between 0 and 10,000 on the number line.
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a. write 5.3 as a product of a whole number times a power of 10. 5.3 = …
a. $53 \times 10^{-1}$ b. $87 \times 10^{-2}$ c. $(53 \times 10^{-1}) \times (87 \times 10^{-2}) = (53 \times 87) \times (10^{-1} \times 10^{-2}) = 4611 \times 10^{-3}$ d. $4.611$
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using fractions: a. write 5.3 as an improper fraction 5.3 = - b. write …
a. $\frac{53}{10}$ b. $\frac{87}{100}$ c. $\frac{4611}{1000}$ d. $4.611$
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in the passage below, highlight the text that best summarizes why dr. d…
If Dr. Deméré’s theory is correct, then that would mean that people—perhaps not even Homo sapiens but another early human species, like Neanderthals—had found their way to the Ame…
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becky is reading a book. she has already read 25 pages and will read 50…
B. The graph with y - intercept at 25 (when x = 0, y = 25) and a slope of 50 (increasing 50 pages per day)
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4. richards class was collecting clothes to donate to the shelter. rich…
1. 28 2. purple 3. 19, 21, 24, 26
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becky is reading a book. she has already read 25 pages and will read 50…
B. Reading (the graph with y - intercept around 50 and slope 50, showing the relationship \( y = 25+50x \) approximately)
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if a system of linear equations has one solution, what does it mean abo…
Intersecting lines - different slope (y - intercept can be the same)
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7. assume that one of squidwards sons, who is heterozygous for the ligh…
### Part a: Punnett Square and Genotype-Phenotype List #### Step 1: Define Alleles Let's assume the allele for light blue body color is \( B \) (dominant) and for light green is \…
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breaking down information for quick repetition and memorization means u…
a. Flashcards
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which table represents a quadratic function? \ (tables: first table: x:…
The top table (with $f(x)$ values: 2, -7, -10, -7, 2 for $x=-4,-2,0,2,4$) represents a quadratic function.
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6 which of these is a theme of the play? select two correct answers. ○ …
B. Being vulnerable makes us more understanding, C. Saying sorry leads to healing (or E. It’s what’s on the inside that matters. But likely B and C or B and E. Wait, maybe the cor…
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evaluate the function for an input of 0.
4
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companies a, b, and c produce 10%, 10%, and 80%, respectively, of the m…
0.1111
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(a) state the values of the following. $g(3) = $ $g(1) = $ $g(4) = $ $g…
(a) $g(3) = 1$ $g(1) = 1$ $g(4) = 0$ $g(2) = 3$ (b) $-4, 2$ (c) $[-4, 4]$ (d) domain: $[-4, 4]$ range: $[-2, 3]$ (e) $[0, 2]$
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on march 4, 1801, jefferson delivered an inaugural address. he began by…
A. ... a wise and frugal Government which shall restrain men from injuring one another ... This is the sum of good government ... matches with "Government should be intelligent an…
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(b) determine ( p(x = 4) ). (give your answer to 4 decimals.) (c) deter…
(Question 5): $\$29520$ (Note: May be a system marking error as per calculation)
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calculate. \\(\\frac{9 \\times 10^9}{4 \\times 10^5}\\) write your answ…
$2.25 \times 10^4$
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a coin will be tossed twice, and each toss will be recorded as heads (h…
Sample space: $\{HH, HT, TH, TT\}$ Event that the first toss is heads: $\{HH, HT\}$
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a coin will be tossed three times, and each toss will be recorded as he…
Sample space: {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT} Event that the second toss is tails: {HTH, HTT, TTH, TTT}
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a farmer weighed a sample of pumpkins from her crop. she recorded the w…
28 (assuming the plot's median line is at 28. If there was a different marking, but based on typical boxplot interpretation, the median is the line in the box. If the plot's media…
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a box has four cards numbered 1, 2, 3, and 4. dante will toss a coin on…
Sample space: $\{H1, H2, H3, H4, T1, T2, T3, T4\}$ Event that the number chosen is 2 : $\{H2, T2\}$
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the students in a science class took a final exam. the box - and - whis…
60 ### Part (b)
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4. - / 19 points consider a discrete probability distribution function:…
(for part a table): | Value of \( X \) | Probability | |------------------|-------------| | \( x = 0 \) | \( 0.0049 \) | | \( x = 3 \) | \( 0.4098 \) | | \( x = 6 \) | \( 0.4098 \…
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employees at a salmon farm measured the lengths (in cm) of several salm…
80 ### Part (b)
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a study showed that 61.5% of occupants involved in a fatal car crash wo…
(a) 0.1175 (b) 0.2923
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50 0.30 60 0.15 (a) is this probability distribution valid? explain. th…
42 ### Part 3 (b)
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2. - / 7 points\ west virginia has one of the highest divorce rates in …
s: (a) This probability distribution \(\boldsymbol{\text{is}}\) valid because \( f(x)\geq0 \) for \( x = 10,20,30,40,50,60 \). Also, \( \sum f(x)=\boldsymbol{1} \). (b) The probab…
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the stem - and - leaf display below gives the number of minutes that cu…
### Part (a) #### First Restaurant: # Explanation: ## Step1: Find max and min wait times. The stem-and-leaf plot for the first restaurant: the minimum wait time is when stem is 0,…
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a study showed that 61.5% of occupants involved in a fatal car crash wo…
0.1175
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frayer model word critically, mimic my definitions in my words facts / …
**Word: Critically** Definition: To do something in a way that involves careful judgment or finding fault. Facts/Characteristics: Adverb; involves analysis; can mean "at a turning…
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32. employers use a time clock, what does it do? 33. what is over time …
A time clock records employees' work start and end times to track work hours for wage calculation and compliance. ### Question 33: What is Over Time Pay?
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32. employers use a time clock, what does it do? 33. what is over time …
Overtime pay is the extra money an employer gives an employee for working more than the regular number of hours (often 40 hours a week), usually at a higher rate (e.g., 1.5 times …
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1. mr. williams made 312 winter sweaters. he will send an equal amount …
1. Cada tienda recibirá 78 jerseys. 2. Cada familia recibirá 19 galletas, y sobrarán 2 galletas.
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topic: function tables - worksheet 4 1. rule ( a = b + 5 ) | input | ( …
(Output for a): 18, 21, 25, 26, 30, 25 ### Problem 2: Rule \( g = 8 + q \)
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sue cooks \\(\frac{4}{5}\\) of a 3 - cup box of rice. she wants to know…
$\frac{12}{5}$ or $2\frac{2}{5}$
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big ideas math #6 elizabeth rost listen dig deeper a vehicle travels 25…
s: The value of the ratio is $\boldsymbol{\frac{250}{3}}$. The unit rate is $\boldsymbol{\frac{250}{3}}$ feet per $\boldsymbol{1}$ second. The constant of proportionality is $\bol…
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independent practice for exercises 10-12 see example 1, 13-14 2, 15-16 …
When \( x = 64 \), \( y = -16 \).
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sue cooks \\(\frac{4}{5}\\) of a 3 - cup box of rice. she wants to know…
$\frac{12}{5}$ or $2\frac{2}{5}$ cups --- ### Second Problem (Equivalent Expression)
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competition can be good for some people because it pushes them to do th…
1. The first blank (replacing "motivated"): motivating 2. The second blank (the dropdown): motivated 3. The third blank: motivation
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sue cooks \\(\frac{4}{5}\\) of a 3 - cup box of rice. she wants to know…
Sue cooks $\frac{12}{5}$ or $2\frac{2}{5}$ cups of rice. For the model: Divide the 0-to-3 number line into 15 equal $\frac{1}{5}$ segments, then shade the first 12 segments to rep…
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complete the paragraph with the correct words. competition can be good …
motivating If we are filling the second blank (the one with “gives them the ____”):
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use unit multipliers to convert: (41) 6. 87 ft² to square inches (41) 7…
$12528\ \text{square inches}$ --- ### Problem 7
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sounded. hearing claudia’s performance motivated julian to play better.…
C. eager to improve
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\the shortcut\: match each plot element with the correct description fr…
Exposition: Landon's grades slip, he feels pressure from home and school, and he discovers the quiz answers online. Rising Action: Landon takes the quiz using the memorized answer…
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telling and writing time what time does the clock show? write the same …
12:15 ### Problem 2:
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\why do good people do bad things\: why does the author organize the mi…
To clearly categorize multiple reasons behind one main idea
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hana’s coach held up a rubber band and stretched it. then she let go of…
the ability to recover from stress well
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we have that ---select--- for ( x = 1, 2, 3, 4 ) and ( sum p(x) = ) so …
This probability distribution is valid because \(p(x)\geq0\) for \(x = 1,2,3\). Also, \(\sum p(x)=\boldsymbol{1}\). ### Part (b)
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feel her excitement intensify. she could barely keep her mind on her sc…
get even stronger
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being an olympic athlete is an intense experience. not only are the ath…
C. extremely powerful (assuming the third option is labeled C; if the original options had different labels, adjust accordingly based on the option order: first option A, second B…
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5.) luciano has two pitchers, one is tall and one is short. the tall pi…
The short pitcher (containing 15.3 oz of iced tea) contains more liquid.
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3.) tony is making 10.5 batches of pretzels. for each batch, he prepare…
2.7 hours
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the following information pertains to three shipping terminals operated…
D. 0.23
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ronda used a container with 54.8 grams of flour to help her bake donuts…
47.9 grams
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7. - / 8 points determine whether the distribution shown below is a val…
Yes it is valid because \(\sum p(x)=1\) and each \( p(x)>0\) ### Part (b)
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5. determine whether the distribution shown below is a valid probabilit…
A. No, because \( p(4) < 0 \) ### Question 6
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1. part a: which two statements describe the central ideas of the text?…
C. Excessive Internet and video game usage hasn't been defined as an addiction in an official capacity, but it negatively impacts the lives of those who experience it D. Internet …
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3. - / 1 points which of the following is not a required condition for …
\(\boldsymbol{\sum p(x) = 0}\) (the option with the formula \(\sum p(x)=0\)) ### Question 4
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word problems adding and subtracting decimals directions | carefully re…
8.2 ounces
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in 2007, a laptop computer was purchased for $1450. each year since, th…
$y = 1450(0.76)^t$
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a researcher is going to perform a two - tailed hypothesis test. the te…
### Part (a) #### For \(\alpha = 0.01\): ## Step1: Determine the tail area For a two - tailed test, the area in each tail is \(\frac{\alpha}{2}=\frac{0.01}{2} = 0.005\). The area …
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how many socks weigh the same as one slipper? one slipper weighs the sa…
4
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select the correct answer. what might paul laurence dunbar mean in the …
C. Although they smile outwardly, African Americans pray for an end to their community's struggle.
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a researcher is going to perform a right - tailed hypothesis test. the …
s for part (a): Critical value at \(\alpha = 0.01\): \(2.326\) Critical value at \(\alpha = 0.05\): \(1.645\) Critical value at \(\alpha = 0.10\): \(1.282\) ### Part (b)
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which table represents a quadratic function? \\(\\begin{array}{|c|c|c|c…
The table with $x$ values $-2, -1, 0, 1, 2$ and corresponding $f(x)$ values $6, 3, 2, 3, 6$ (middle-right table) represents a quadratic function.
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how many socks weigh the same as one oven mitt? one oven mitt weighs th…
2
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consider the following functions.\\( f = \\{(-3, -3), (1, -2)\\} \\) an…
$-10$
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name: date: 4 - 20. simplify each expression below. homework help a. (4…
59.5 ### Part b
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a researcher is going to perform a two - tailed hypothesis test. the te…
### Part (a) #### Explanation: For a two - tailed hypothesis test with a standard normal distribution, the critical values are found by determining the z - scores that leave $\fra…
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consider the following functions. $f = {(-3, -3), (1, -2)}$ and $g = {(…
$-7$
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consider the following functions. $f = {(-3, -3), (1, -2)}$ and $g = {(…
3
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let c be the number of cups of walnuts amelia needs to buy. describe th…
$1\frac{1}{2}$
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a researcher is going to perform a left - tailed hypothesis test. the t…
### Part (a) #### Explanation: For a left - tailed hypothesis test with a standard normal distribution, the critical value \(z_{\alpha}\) is the value such that \(P(Z < z_{\alpha}…
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your answer is incorrect. the table of ordered pairs ((x, y)) gives an …
$y = \frac{1}{4}(2)^x$
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function junction (the text below the title is unclear. then there are …
To solve for the rule of each function table (we'll take the first table as an example, and you can apply the same method to others), we analyze the relationship between "In" (inp…
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what does the law $x^{-n} = 1/x^n$ tell us about negative exponents? * …
B. Negative exponents mean repeated division (assuming the second option is labeled B, as per the order: first option A, second B, third C, fourth D)
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a researcher is going to perform a two - tailed hypothesis test. the te…
### Part (a) #### Step 1: Critical values for \(\alpha = 0.01\) For a two - tailed test with \(\alpha=0.01\), the area in each tail is \(\frac{\alpha}{2}=\frac{0.01}{2} = 0.005\).…
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a prominent medical group claims that the population mean of the surger…
Yes, the confidence interval contradicts the claim. The medical group’s claim of 4.71 hours is outside the 99% confidence interval.
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start sequencing to start, get set! look at the sequence of numbers in …
16, 22, 29, 37 ### Sequence B: 1, 3, 7, 13,...
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1. emilio has a bag of dog food. the bag contains $24\\frac{3}{4}$ cups…
9
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determine the probability of each situation. 1. a bag contains 25 marbl…
$\frac{3}{5}$ ### Problem 2
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7. building on the essential question how are rates and ratios related?
Rates are a specialized category of ratios: they are ratios that compare two quantities measured in different units, whereas ratios can compare quantities with the same or differe…
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6. for carolina’s birthday, her mom took her and 4 friends to a water p…
The price for one student ticket is $\$8$.
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solve. use proportions if necessary. 24. 24 is $\frac{3}{4}$ of what nu…
24. 32 25. $\frac{1}{5}$
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5. molly shot 20 baskets in 4 minutes. nico shot 42 baskets in 6 minute…
2
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the table shows the ratio that gary used to make bottles of glitter glu…
For 4 bottles, Gary would need 20.8 units of glue and 13.2 units of glitter.