統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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question 1-7 an apple company picked 716 pounds of apples for distribut…
106
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calculate. $(4.3 \\times 10^5)(2 \\times 10^2)$ write your answer in sc…
$8.6 \times 10^{7}$
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calculate.\\((4\\times 10^{8})(1.2\\times 10^{5})\\)\ write your answer…
$4.8 \times 10^{13}$
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question a game requires that players draw a blue card and red card to …
Events \( A \) and \( B \) are independent since \( P(R2|B2) = P(R2) \) (the option with this statement, e.g., the fourth option in the list: "Events \( A \) and \( B \) are indep…
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calculate. $(3 \\times 10^7) + (2 \\times 10^7)$ write your answer in s…
$5 \times 10^7$
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question 1-4 a candy factory makes 238 chocolate bars and 142 peanut bu…
B. 121 boxes
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calculate. \\((5.2 \\times 10^6) + (4.6 \\times 10^6)\\) write your ans…
$9.8 \times 10^6$
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5. what purposes do the story of his life and his views about death ser…
The story of his life and his views about death typically serve purposes like developing the character (the old man), conveying themes (e.g., mortality, moral lessons), advancing …
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5. what purposes do the story of his life and his views about death ser…
The lines mean one should show deference (rise up) and respect (honor) elderly people (those with hoary/gray - haired heads), as commanded in holy scripture.
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choose the inequality that represents the following graph. choose 1 ans…
B. \(x \leq -3\)
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look at the recipe for a licuado de plátano on page 139 in your textboo…
for 1:** falso ### 2. A plátano is a banana. In Spanish, "plátano" means "banana" (especially in many Latin American contexts, or "plantain" in some, but the question likely refer…
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stiff. glass reaches this state once it has cooled after introduction t…
D. cause and effect
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frija (free’ ya) was the wife of woden and the queen of the gods. she r…
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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math 131: linear regression activity name:austin for this activity, we …
The mass of the chemical after eight seconds is \( 109.17 \) grams. ### 2b.
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there are four number lines labeled a, b, c, d. each has markings from …
B. The green number line with a closed dot at 3 and extending left (representing \( x \leq 3 \))
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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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7. two quantities are proportional if the ratio between the quantities …
A. constant
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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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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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a table of values of a linear function is shown below. find the output …
\( 3n + 7 \)
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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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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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zaid buys a loaf of bread and some broccoli. the graph shows the total …
$y = 2x + 4$
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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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types of government definition of government\t\twhat does the governmen…
### Capitalism - **Define**: Economic system with private ownership of capital, market - driven production/distribution. - **Advantages**: Innovation, efficient allocation, consum…
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24. mp problem solving a group of friends go scuba diving. they rent a …
s: ### Part b: - 1 day boat rental: \( \boldsymbol{15} \) friends. - 2 days boat rental: \( \boldsymbol{10} \) friends. ### Part c: Total money spent: \( \boldsymbol{1000} \) (for…
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3. domain: a lawn care service charges based on the number of full lawn…
B. \(\{0, 1, 2, 3,\cdots\}\)
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calculate. $(4.45 \\times 10^6) - (1.9 \\times 10^4)$ write your answer…
\(4.431\times 10^{6}\)
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question\ suppose $a$ and $b$ are mutually exclusive events, and that $…
\( 0.68 \)
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if a police officer pulls over someone for speeding, the police officer…
\( 0.49 \)
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14. the table shows the weekly change in the price of one gram of coppe…
The price of one gram of copper changed by $\$2.90$ from the beginning of week 1 to the end of week 4. ### Second Sub - Question: Did the price increase or decrease? How do you kn…
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8. write the equation the represents the table. | x | y | |----|----| |…
$y = -3x + 18$
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question 2 instructions read the question carefully and select the best…
B. She is afraid sending Percy to summer camp means she won't see him again.
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7. write the equation the represents the table. x | y -2 | 0 -1 | 6 0 |…
$y = 6x + 12$
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a tile is selected from seven tiles, each labeled with a different lett…
First, we identify the set of tiles: the first seven letters of the alphabet are \( A, B, C, D, E, F, G \). ### Part (a): Event "X or Y" - **Event X**: The letter comes before "E"…
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question subway trains and transit buses operate on different days and …
- Event B and Event C are mutually exclusive. - Event A and Event B are mutually exclusive. - Event A and Event C are not mutually exclusive.
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angelina and brad jointly buy the gourmet chocolate - strawberry cake s…
$\$11.11$
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question let a and b be mutually exclusive events. if $p(a) = 34\\%$ an…
\( 51\% \)
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11. if logan walks \\(\\frac{7}{8}\\) mile in each \\(\\frac{1}{3}\\) h…
C. \( 2\frac{5}{8} \) miles per hour ### Question 12
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question an evenly weighted game spinner has 5 numbers on it, labeled a…
- Event A (Even) only: R2 - Event B (n > 3) only: B5 - Both A and B: B4 - The events are not mutually exclusive.
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halima makes model rovers for a science project about space. she puts 6…
3
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lesson 5-5 use cross products to solve each proportion. 21. \\(\\frac{8…
$n = 12$ ### Problem 22: $\boldsymbol{\frac{4}{7}=\frac{p}{28}}$
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linear equations w/ distribution (lev 2) score: 2/3 penalty: none quest…
$x = -5$
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lesson 5-4 determine whether the ratios are proportional. 13. \\(\frac{…
Let's solve these problems one by one. We'll start with determining if the ratios are proportional (problems 13 - 16) and then finding equivalent ratios and writing proportions (p…
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lesson 5-1 one day, a veterinarian saw 20 cats and 30 dogs. write each …
The ratio of cats to dogs in simplest form is \( 2:3 \) (or \( \frac{2}{3} \), or "2 to 3"). ### Question 2: dogs to cats