Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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17. baseball you run around the perimeter of the baseball field at a ra…
Approximately 112 seconds (or $\frac{550\pi + 1150}{9} \approx 111.9$ seconds)
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the function ( f(x) = 4x - 6 ) is shown in the table below. identify th…
domain: $\{-5, -2, 1, 5\}$ range: $\{-26, -14, -2, 14\}$
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same and different which of these are the same? which are different? $2…
All four expressions ($2.18 \times 10^{-2}$, $0.0218$, $2.18 \times \frac{1}{10^2}$, $2.18 \times \frac{1}{100}$) are the same; none are different.
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read the excerpt from \justin lebo\ on the way home, justin was silent.…
D. There are not enough bicycles for the residents of the Kilbarchan Home for Boys
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youve finished the script and are ready to record the video. what does …
B. Convert (sound or a performance) into permanent form for later reproduction
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match the description to the term. 1. teachers, pastors □ intimate 2. t…
1. teachers, pastors → formal 2. textbooks → frozen 3. baby's talk → intimate 4. friends at school → casual 5. often changes meaning and usage → casual
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you get in touch with your friend taylor and tell him all about whats b…
You contact Taylor by calling or texting him.
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which sentence best describes how the author develops the theme that th…
The author develops the theme by making the young boy have an authentic reaction to his older brother’s insult that results in real fun.
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how the author develops the theme that the meaning of life is in living…
The author develops the theme by making the young boy have an authentic reaction to his older brother’s insult that results in real fun.
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weve had to ask video platforms to take down many videos because they v…
A. Thank you
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which of the following paragraphs tells a narrative (story)? im writing…
I'm writing to ask permission to use your video game images and music. I've been playing your game since it was launched. In the past, I had a hard time doing well in video games.…
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what is the median annual wage for management occupations according to …
D. $97,970
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match the description to the term. 1. textbooks □ formal usage 2. eleme…
1. textbooks → frozen usage 2. elements surround a word which clarify the meaning → context 3. the way in which English is used → usage 4. family and friends → intimate usage 5. f…
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reflect 1. when you move the decimal point, how can you know whether yo…
- Moving decimal **right**: Number increases (multiplied by \( 10^n \), \( n \) = places moved). - Moving decimal **left**: Number decreases (multiplied by \( 10^{-n} \), or divid…
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match the definition to the term. 1. suggested meaning of a word; diffe…
1. connotation 2. general semantics 3. linguistic semantics 4. philosophical semantics 5. semantics 6. semasiology and significs 7. semantikos
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pierre, yvens ela - gr 9 - crm 3.2 cask - benchmark checkpoint 1 of 7 1…
B. escaped
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task 6: find the probability of the event below. give your answer as a …
1. Fraction: $\frac{6}{11}$, Percentage: $\approx 54.55\%$ 2. Fraction: $\frac{5}{7}$, Percentage: $\approx 71.43\%$
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task 5: find the probability of the event below. give your answer as a …
a) Fraction: $\frac{3}{62}$, Percentage: $\approx 4.84\%$ b) Fraction: $\frac{7}{124}$, Percentage: $\approx 5.65\%$ c) Fraction: $\frac{7}{124}$, Percentage: $\approx 5.65\%$ d) …
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find the rule. solve for n. x | y 10 | 1 12 | 3 15 | 6 20 | n rule:
The rule is \(Y = X - 9\) and \(n = 11\)
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task 4: find the probability of the event below. give your answer as a …
a) Fraction: $\frac{21}{256}$, Percentage: $\approx 8.20\%$ b) Fraction: $\frac{1}{32}$, Percentage: $3.125\%$ c) Fraction: $\frac{49}{256}$, Percentage: $\approx 19.14\%$ d) Frac…
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task 3: determine whether the events below are independent or dependent…
1. Dependent 2. Independent 3. Independent 4. Independent
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a software company is interested in improving customer satisfaction rat…
1.51
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1. a jar contains 32 red marbles and 28 blue marbles. what is the proba…
1. $\frac{8}{15}$ 2. $\frac{5}{11}$ 3. $\frac{5}{18}$ 4. $\frac{1}{2}$
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what percent of 110 is 44?
40%
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an airline would like information on which seat is preferred by custome…
1. Population parameter: The proportion of all airline customers who prefer window seats 2. Met z-distribution condition: \(n\hat{p} \geq 10\) and \(n(1-\hat{p}) \geq 10\) (or "Sa…
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a competency test is modified so that the proportion of test - takers t…
- \(n=\boldsymbol{100}\) - Number passed \(=\boldsymbol{80}\) - Sample proportion \(\hat{p}=\boldsymbol{0.8}\) - \(z=\boldsymbol{1.15}\) - p - value \(=\boldsymbol{0.124}\)
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find the product. 749.3 ×.037
\(27.7241\)
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task 2: find the probability of the event below. give your answer as a …
1. Fraction: $\frac{13}{20}$, Percentage: 65% 2. Fraction: $\frac{5}{6}$, Percentage: $\approx 83.33\%$ 3. Fraction: $\frac{5}{6}$, Percentage: $\approx 83.33\%$
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5.4 quote analysis: nations are groups of people with a common history.…
C. control
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simplify this expression, and enter your answer in scientific notation.…
$6.75 \times 10^4$
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22. there are 64 crayons in each box. a school bought 25 boxes of crayo…
Each class will receive 320 crayons. First, find the total number of crayons by multiplying 64 (crayons per box) by 25 (boxes), which equals 1600. Then divide this total by 5 (cla…
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m5 homework score: 53/64 53/64 answered question 54 find this quotient.…
$1.3 \times 10^{15}$
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m5 homework score: 52/64 52/64 answered question 53 find this product. …
$8.91 \times 10^7$
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which graph shows the solution set of $-2x > 4$?
C. The graph with an open circle at -2 and an arrow pointing to the left (towards values less than -2)
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which best describes the association shown in the scatter plot below? n…
Positive and linear
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mr. newmans class conducted a survey on the number of chores students c…
A. Bryan's conclusion is false since both variables of number of chores and amount of allowance are decreasing, which means there is a positive association since the variables are…
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consider the following sequence where $f(1) = 256$. 256, 128, 64, 32, ……
Next two terms: 16, 8 Sequence type: Geometric
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four students created scatter plots on a graph. graph 1\tgraph 2\tgraph…
s: - Annie: Graph 4 - Henry: Graph 1 - Michael: Graph 2 - Julie: Graph 3
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question 2 10 pts choose the best answer for each of the following. a. …
s: a. Increase b. Show no association (or be unpredictable) c. Decrease
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name solve each problem below. 1. a fifth grade class had a 3 month rea…
D. 35.875 pounds ### Problem 2
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solve each problem below. date 1. the fifth graders are in the science …
A. 1.25 milliliters ### Problem 2
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justine and barbara each want to run for president of their school’s st…
In 1 day, Justine and Barbara will each have collected 20 signatures.
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name solve each problem below. 1. four students ran a relay race on fie…
D. 1 mile ### Problem 2
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4. kelly hiked a trail over the weekend. on saturday she hiked 12.535 m…
C. 22.285 miles
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2. the graph shows the relationship between the number of cartons and t…
| Cartons | 1 | 2 | 3 | 4 | |---------|---|---|---|---| | Eggs | 3 | 6 | 9 | 12 |
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3 how far from home did the student travel after 30 minutes? a 5 km b 7…
B. 7.5 km
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3. a fifth grade class has planted a garden. they are measuring the gro…
D. 3.975 inches
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1. given the following graph, fill in the table.
| $x$ | $y$ | |-----|-----| | 1 | 2 | | 2 | 4 | | 3 | 6 | | 4 | 8 |
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4 when building a distance - time graph, which variable goes on the y -…
A. The dependent variable, distance
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2. two fifth grade classes collected canned goods to donate to the food…
A. 0.545 pounds
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1. sam is loading 3 boxes at work to be shipped. the first box weighs 1…
D. 70.095 pounds
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comparing proportional relationships 1 the graph shows the relationship…
(part a): The unit rate of the red line is 9 milliliters per second. We know this because for a proportional relationship (passing through the origin), the unit rate is the slope,…
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4. divide five - tenths by two - tenths. a. 0.0025 b. 0.025 c. 0.25 d. …
D. 2.5
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has $\frac{1}{2}$ shaded; does not have $\frac{1}{2}$ shaded; bin a; bi…
The square belongs in the "Does not have $\frac{1}{2}$ shaded" box.
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find the critical value ( z_{alpha/2} ) that corresponds to the confide…
1.48
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find the critical value ( z_{alpha/2} ) that corresponds to the confide…
1.41
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find the critical value $z_{\\alpha/2}$ that corresponds to the confide…
2.05
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find the critical value ( z_{alpha/2} ) that corresponds to the given c…
1.51
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find the rate of change represented by the data in the table below. \\b…
Rate of Change: $\frac{2}{5}$ (or 0.4) a) positive
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find the rate of change represented by the data in the table below. x|-…
Rate of change: $\boldsymbol{\frac{-2}{7}}$ b) negative
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89. which geographic feature most influenced early chinese settlement? …
B. Yellow River ### Question 90
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in the decathlon event at large track meets, male athletes compete in a…
Those with lower 200-meter times tend to have longer javelin distances. The relationship is moderate.
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the scores for 21 students on an exam are summarized in the stemplot gi…
The mean will increase but the median will be unchanged.
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the scatterplot illustrates the relationship between two quantitative v…
strong, negative, and linear.
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64. which best describes the han government? a. harsh and cruel b. stab…
B. Stable and long - lasting ### Question 65
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for the purposes of constructing modified boxplots, outliers are define…
0.0070
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question 5. what do humanists think about religion? use the sentence st…
Humanists think that religion is not a necessary foundation for morality, meaning, or a fulfilling life, and they emphasize the importance of human reason, ethics, compassion, and…
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which statement best answers the supporting question \what is one expla…
D. More people are moving to urban areas because of increasing opportunities there.
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interpreting data 100-meter times (sec) the stemplot displays the times…
22, 24.5, 26, 28, 30
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an indoor running track is 200 meters in length. during a 3,000 - meter…
- The interval from 37 to 38 seconds saw the most lap times. - There were three laps with times greater than 38 seconds.
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interpreting data grabbing pretzels the scatterplot displays the number…
minimizes the sum of the squared vertical distances from the points to the line.
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using technology, the slope of the least-squares regression line is 0.1…
−0.10, which means for each additional absence, the GPA is predicted to decrease by 0.10 points.
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understand, express, and compare percent ratios 1. in a louisiana chili…
55% ### Problem 2
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a guidance counselor wants to determine if there is a relationship betw…
31% of the variation in the GPA is accounted for by the linear relationship with number of absences.
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the owner of a used car dealership is trying to determine if there is a…
3860.7
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in a statistics class, a teacher had the students complete an activity …
0.521
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m5 practice c - operations with monomials score: 8/12 8/12 answered que…
$-3.8 \times 10^{25}$
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in a statistics class, a teacher had the students complete an activity …
3.05
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in each of her basketball games this season, belle recorded the number …
8 points
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in a statistics class, a teacher had the students complete an activity …
B. About 52.1 percent of the variation in number of bite-sized pretzels grabbed with the dominant hand is accounted for by the linear relationship formed with handspan.
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in a statistics class, a teacher had the students complete an activity …
D. The average residual is about 3.05 pretzels.
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the length, ( x ) (in inches), and weight, ( y ) (in ounces), for a typ…
B. 96% of the variation in the bass's weight is determined by the variation in the bass's length.
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lana correctly answered 48 of the 60 questions on a math exam. what per…
80%
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another acquaintance. senders could dispatch e letter to only one frien…
Milgram’s experiment explored how a letter traveled through social networks (acquaintances) to a target, finding a median of ~5 intermediaries and large geographic spread, highlig…
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a guidance counselor wants to determine if there is a relationship betw…
0.691
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ropeans in africa s: use your texting tools to respond. early portugues…
There is a great desire or need for something. ### For the question "Name one of the crops grown on plantations in the Americas.":
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64,600,000 cm to km 425,000 ml to l 0.000238 m to cm 6.81 cm to m 0.008…
1. $0.646\ \text{km}$ 2. $425\ \text{L}$ 3. $0.0238\ \text{cm}$ 4. $0.0681\ \text{m}$ 5. $817\ \text{cm}$ 6. $147\ \text{m}$ 7. $0.079\ \text{mm}$ 8. $7.38\ \text{mL}$ 9. $33.2\ \…
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12. moshi collected data about the cost of cars at a local car dealersh…
$\$8,900$ ### Part b
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11. ___, 73, ___, 74, ___, 81, ___, 96 five-number summary: 71 ~ 73 ~ 7…
The filled sequence is $\boldsymbol{71}, 73, \boldsymbol{73}, 74, \boldsymbol{80}, 81, \boldsymbol{85}, 96$
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b. the value of a phone can be represented by the equation $v = 12,000(…
D. As the age of the phone increases by 1 year, the value of the phone decreases by 12%. ### Question 9
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11. ___, 73, ___, 74, ___, 81, ___, 96 five-number summary: 71 ~ 73 ~ 7…
# Explanation: ## Step1: Recall Five - Number Summary components The five - number summary consists of the minimum value, the first quartile (Q1), the median (Q2), the third quart…
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Question was provided via image upload.
First missing: 58, Second missing: 82, Third missing: 97
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a. you invest $1000 in a savings account that earns 5% annual compounde…
C. \( 15000(0.85)^t = 10000 \) ### Question 6 (Mortality Rate Graph)
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tua bought a new car. the value of the car decreases exponentially each…
\(\boldsymbol{\$54,000}\) (corresponding to the option " \(\boldsymbol{\$54,000}\)")
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pria bought a new home in 2012. the value of the home increased exponen…
\( \$210,000 \) (the option: \( \$210,000 \))
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use the table to answer the question. the price of a particular brand o…
exponential decay function; the price decreases by 3% per year, which is a constant percent rate of change
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which one of the following scenarios can be modeled by a linear functio…
C. The total distance traveled at a speed of 55 miles per hour.
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linear vs. exponential growth rates quick check use the table to answer…
The average growth rate of \( j(x) \) exceeds the growth rate of \( h(x) \) between terms 11 and 12. (The option corresponding to this statement)
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the population of a city with 15,000 people declines at a rate of 2% ea…
$y = 15,000 \cdot (0.98)^x$ (the third option)
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which equation is shown in the graph? (1 point) \\(\\circ\\ y = 6 \\cdo…
\( y = 6\cdot(0.6)^x \) (the first option)