Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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trent earns scores of 67, 80, and 74 on three chapter tests for a certa…
To obtain a "C" or better, Trent needs to score between \(\boldsymbol{67}\) and \(\boldsymbol{100}\), inclusive.
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“also was tiew. he was a son of woden and was the god of battle. he was…
B. She ruled the bright clouds that gleam in the summer sky and caused them to pour their showers on meadow, forest, and mountain.
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text might also include elements of a story, like characters, setting a…
1. D. "An accomplished wizard once lived on the top floor of a...house and passed his time in thoughtful study...What he didn't know about wizardry was hardly worth knowing..." 2.…
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math 131: linear regression activity name: austin for this activity, we…
To solve this linear regression problem, we'll use the given data points \((x, y)\): \((5, 40)\), \((7, 120)\), \((12, 180)\), \((16, 210)\), \((20, 240)\). We can use the formula…
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it might depend on where you live by kira m. newman, 2021 different cul…
The text is going to be about how cultural and regional differences influence the factors that contribute to happiness, and it will challenge the idea that well - being research f…
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9. which can be used to find the constant of proportionality? kx x ÷ y …
9. $\boldsymbol{y \div x}$ 10. $\boldsymbol{y=kx}$
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solve the problems. 1 jackson goes to a basketball game. he pays $3 for…
Yes, the total cost to attend the basketball game is a function of the number of items purchased at the concession stand. The cost function is \( y=x + 3 \) (where \( x \) is the …
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7. two quantities are proportional if the ratio between the quantities …
A. constant
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18. on halloween, jack carved 12 pumpkins in 4 hours. if jack carved at…
3 pumpkins/hour
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17. determine the constant of proportionality in the equation: y = 8x?
8
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16. determine if the graph is proportional, if it is, state the constan…
no
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18. determine if the graph is proportional, if it is, state the constan…
yes, k=10
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14. determine if the table is proportional, if it is, state the constan…
yes, k=1/2
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each question below. 1. a purpose is a reason for doing something. so a…
1. A. the writer's reason for writing a text. 2. B. There are many different kinds of octopuses. Some are as small as 2 inches while some can grow as big as 18 feet. Octopuses hav…
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a) how long was this marathon in meters? how about decameters?
The marathon is 42195 meters, or 4219.5 decameters.
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375 is ____ % of 782
47.95
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timed problem score:6/10 find the greatest common factor of 18 and 42. …
6
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what percent of 44 is 813?
1847.73%
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54 % of 353 is ____.
190.62
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381 is 17% of ____.
2241.18
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____ is 108% of 561.
605.88
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timed problem score: 0/10 find the greatest common factor of 48 and 16.…
16
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question given that ( p(a \text{ and } b) = 0.29 ) and ( p(a|b) = 0.67 …
43.28%
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the probability that a child watches cartoons after school is 0.56. the…
\( 49.84\% \)
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question given that $p(b|a) = 0.84$ and $p(a) = 0.43$, what is $p(b \\t…
\( 0.3612 \)
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question 10 · 3 points given the following table of values for $f(x)$, …
4
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question a npr/robert wood johnson foundation/harvard t.h. chan school …
\( 0.16 \)
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question if ( a ) and ( b ) are independent events with ( p(a) = 0.60 )…
\( 50.00\% \)
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two friends are both pregnant, and find out they are each expecting twi…
\( 0.0045\% \)
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if ( a ) and ( b ) are independent events with ( p(a) = 0.20 ) and ( p(…
\( 60.00\% \)
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87. to begin making her soup, jennifer poured 4 containers of chicken b…
2.64 liters
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question let ( s ) be the event that a randomly chosen store is having …
\( P(M|S) \)
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question let ( c ) be the event that a randomly chosen cancer patient h…
B. \( P(E|C) \)
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suppose we want to choose 5 letters, without replacement, from 8 distin…
\( 6720 \) ### Part (b)
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question 135 physical therapists were asked if they use their complimen…
\(\frac{3}{7}\)
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suppose we want to choose 6 objects, without replacement, from 13 disti…
1716 ### Part (b)
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let ( d ) be the event that a randomly chosen person has seen a dermato…
\( P(S|D) \) (the option with \( P(S|D) \))
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suppose we want to choose 5 colors, without replacement, from 14 distin…
2002 ### Part (b)
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the initial value is 4. it represents the cost of the loaf of bread. th…
\(y = 2x+4\) (So the first box is 2 and the second box is 4)
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zaid buys a loaf of bread and some broccoli. the graph shows the total …
The rate of change is \( 2 \). It represents the cost of one pound of broccoli.
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18. jonah’s grandmother gave him $125 for his birthday. he used 14% of …
$\$63.75$
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83. round to the nearest hundredth: 0.1673 0.16 0.166 0.167 0.17
D. 0.17
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question ① which of the following is true for debits and credits? answe…
The correct option is the one with "Debit means left and Credit means right." (the option with the blue dot and the text "Debit means left and Credit means right.")
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5 a. complete the graph by plotting (input, output) pairs for input val…
s: a. Plot the points (3, 3), (4, 3), and (5, 5) on the graph. b. Yes, \( y \) is a function of \( x \). We can tell by the vertical line test: no vertical line intersects the gra…
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question let ( r ) be the event that a randomly chosen person has red h…
\( P(G|R) \) (Fill \( G \) in the first box and \( R \) in the second box of \( P(\square|\square) \))
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question given the completed contingency table above, find the probabil…
\(\frac{1}{3}\)
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mancinis pizzeria sells four types of pizza crust. last week, the owner…
912
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1 9,9,2,3 5.75 2 8,4,4,6 5.5 3 7,8,4,8 6.75 4 4,9,6,6 6.25 use the tabl…
The range of the sample means is \( \boldsymbol{1.25} \). ### Part 2: Select all true statements
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(b) use the table to calculate the range of the sample means. range of …
\( 0.2 \) ### Part (c)
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(a) fill in the sample means in the table. do not round your answers. s…
### Part (a) # Explanation: ## Step 1: Calculate sample mean for Sample 1 The formula for the sample mean $\bar{x}$ is $\bar{x}=\frac{\sum_{i = 1}^{n}x_{i}}{n}$, where $x_{i}$ are…
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8. what are examples of origami - inspired designs in architecture, spa…
- Architecture: Shigeru Ban's Paper Log Houses (folded paper tube structures). - Space Exploration: NASA's Starshade (folds for launch, unfolds in space). - Product Design: Sony A…
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describe a function whose domain is the set of people in your town. cho…
B. Input: a person in your town. Output: their age
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feelings that tell you each character’s point of view. look into the te…
### Table Completion: - “Heartbeat”: also self - conscious, determined to change appearance - Sarah: repulsed by Heartbeat’s sunken chest ### Part B Answer: - To Heartbeat: Yes. H…
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6. (5pts) a car’s position, s, measured in feet, after t seconds is giv…
8.25 feet per second
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note: remember to simplify fractions when necessary. question find the …
\(\frac{10}{33}\)
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multiple choice question motor development in infancy occurs systemical…
D. in a sequence of increasing complexity
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question 15 (1 point) sarita is doing a population pyramid for the popu…
c. Move the age to the Y axis and the population to the X axis.
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question 9 (1 point) the government of a small country has announced th…
c. fertility and mortality rates
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what does the rate of change represent? the rate of change represents t…
each pound of grapes
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question 8 (1 point) why is it important to include gender in patterns …
c. because women and men have different life expectancies
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question 2 (1 point) adam has collected the birth rates, gender, age, a…
c. population distribution
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the data below represent the per capita (average) disposable income (in…
| Class | Frequency | |---------------|-----------| | 30000-35999 | 14 | | 36000-41999 | 10 | | 42000-47999 | 0 | | 48000-53999 | 1 |
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document a slave statistics, 1860 seceding slave states\tslave populati…
1. 182,566 2. 30% 3. 71% (29% owned slaves, so $100\% - 29\% = 71\%$ did not) 4. Economic fears included losing the enormous financial investment in enslaved people (who were far …
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4. emma was given 5 seashells. each week she collected 3 more. let w be…
- Independent variable: $w$ (number of weeks collecting seashells) - Dependent variable: $s$ (total number of seashells) - Equation: $s = 3w + 5$ | Number of Weeks ($w$) | Total S…
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| x | y | (x,y) ||---|---|---|| 0 | $\frac{1}{2}$ | $(0, \frac{1}{2})$ …
$y$ is more than $x$ by $\frac{1}{2}$ (or formatted as $y = x + \frac{1}{2}$)
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1. andrews entire workout consisted of 10 minutes of warm-up exercises,…
$\frac{1}{2}$ or 1:2
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lord of the flies - chapter 4 active reading handout name________readin…
### Part 2 (Completed Table): | Moment / Event | What Happens (Brief Summary) | What This Reveals About Power, Fear, or Belonging | |----------------|-----------------------------…
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45% of 60 is what value? 2 15 20
27
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try it! jorge will flip two quarters at the same time. complete the tre…
### Completed Tree Diagram Boxes (top to bottom, right column; left column bottom): $\text{T}$, $\text{H}$, $\text{T}$ ### Sample Space: $\{(H, H), (H, T), (T, H), (T, T)\}$ ### C…
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determine whether the number described is a statistic or a parameter. t…
Parameter
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example 1 find all possible outcomes hailey has two sisters and no brot…
All possible combinations are: BBB, BBG, BGB, BGG, GBB, GBG, GGB, GGG The probability of all boys is $\frac{1}{8}$, and the probability of all girls is $\frac{1}{8}$.
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a car increases, then decreases, its speed. which table could represent…
B. Time (min): 5, 6, 7, 8, 9; Speed (mph): 45, 47, 49, 48, 47
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the scatter plot shows the ages of players and their mini golf scores. …
The older the players are, the lower their mini golf scores.
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complete the problems below. 4 how do bar models and double number line…
4. Both represent 100% as a full unit, then divide that unit into proportional segments to show how a percent relates to the whole quantity, making percentage-quantity relationshi…
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the table represents the amount of storage space, in megabytes, used by…
As the number of files increases, the storage space used increases.
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match each type of association with the scatter plot it best describes.…
- First scatter plot → no association - Second scatter plot → positive association - Third scatter plot → negative association
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which scatter plot shows a negative association?
The bottom-right scatter plot (with points decreasing from top-left to bottom-right as x increases)
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8. assessment the clock shows the time that sharon starts to walk to th…
C. 5:20
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what is the weight of the container without any cat food?2 ozwhat is th…
1. The weight of the container without any cat food is 2 oz. 2. The weight of each cup of cat food is 3 oz.
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solve & discuss it! cameron packed two pairs of shorts and three t-shir…
Some outfit combinations: Green shorts + Orange T-shirt, Green shorts + White T-shirt, Green shorts + Red T-shirt, Black shorts + Orange T-shirt, Black shorts + White T-shirt, Bla…
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| x | y | (x,y) || ---- | ---- | ---- || 0 | $\frac{1}{2}$ | $(0, \frac…
$y$ is $1$ $x$ more than $\frac{1}{2}$ (or correctly structured as $y$ is $x$ more than $\frac{1}{2}$, but with the slope 1, the precise tile order is $y$ is $1$ $x$ more than $\f…
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a licorice rope is 7 inches long. if four 5th graders share the licoric…
B. $\frac{7}{4}$ inches, D. $1\frac{3}{4}$ inches --- ### Second Problem: Ice Cream Expression
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what is the weight of the container without any cat food?□ oztotal weig…
2 oz
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- (all men are by nature equally free and independent, and have certain…
D. The Declaration of Independence
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what shape do the points in the scatter plot appear to form?linecurveno…
curve
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initial value: 10, weight (oz) of empty jar rate of change: 5, weight (…
total weight = weight of jar + weight of granola
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x y (x,y) 3 2 (3, 2) 5 2 (5, 2) 9 2 (9, 2) y is more than x 2 3 is alwa…
$y$ is always 2
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which display shows a bivariate data set?
Top-left table: | Amount of Rain (in.) | 2 | 4 | 5 | 6 | |----------------------|---|---|---|---| | Number of Floods | 0 | 1 | 1 | 3 |
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y, as a function of the amount of granola in the jar, x.the graph shows…
increases by 5 oz
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model it: double number lines try this problem using a double number li…
a. Students line ticks (left to right): 0, 30, 60, 90, 120, 150, 180, 210, 240, 270, 300 Percent line ticks (left to right): 0%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 100% …
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score on last try: 0.75 of 1 pt. see details for more. at least one sco…
$\infty$
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which display shows a bivariate data set?
The top-right table (with columns "Number of Pets" and "Weekly Time Outdoors (h)")
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initial value: 10, weight (oz) of empty jar what is the slope of the li…
$\frac{25}{3}$
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use the following scenario to solve the next three problems.your comput…
5. 250 6. 250 7. C. Either. They both charge the same amount for 5 hours of labor.
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gift, y, as a function of the amount of granola in the jar, x.1. is the…
1. Is the function linear or non-linear? Linear 2. The graph is a straight line. The function is linear. 3. At what point does the line intersect the y-axis? $(0, 10)$ 4. What doe…
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in the table below, two operations are happening. whats the rule used t…
Take half of the input value, then add 3 to get the output (mathematically: $\text{Output} = \frac{\text{Input}}{2} + 3$)
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40 is the function linear or non-linear? 40 the graph is a straight lin…
The graph is a straight line. The function is linear.
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40 is the function linear or non-linear?40 the graph ? a straight line.…
The graph is a straight line. The function is linear.
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40 what is the slope of the line? 25 what does the slope tell you? silv…
1. The slope of the line is 25. 2. The slope tells you the cost per ounce of silver. 3. Silver costs $\$25$ per ounce.
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a music promoter recorded the number of bands that played and the ticke…
2