统计与概率
数据分析、概率分布、假设检验与统计方法。
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dallas discovered some scrap wood while cleaning out his garage. he fou…
25 $\frac{7}{12}$ feet
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you are renting a moving truck for a day. there is a daily fee of $20 a…
The inequality is \( 20 + 0.75m \leq 65 \) and the solution is \( m \leq 60 \), meaning you can drive at most 60 miles.
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use the information for problems 5 and 6. a warehouse stores 9,800 toys…
### 问题5答案：14 ### 问题6方程：$\frac{9800}{35 \times 20} = 14$ 或 $35 \times 20 \times x = 9800$（其中$x$为每个小盒子的玩具数）
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name ______ date ______ use the information for problems 5 and 6. a war…
14
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name date use the information for problems 5 and 6. a warehouse stores …
5. 14 6. $35 \times 20 \times x = 9800$（其中$x$表示每个小盒子里的玩具数量）
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match each fraction with its decimal equivalent. you may need to round.…
$\frac{2}{5} = 0.4$ $\frac{3}{7} \approx 0.43$ $\frac{5}{13} \approx 0.38$
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how do you write \\(\frac{1}{9}\\) as a decimal? \\(0.0overline{6}\\) \…
0.$\overline{1}$
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fractions 1. which of the following inequalities is true for the fracti…
A. $\frac{5}{13} < \frac{2}{5} < \frac{3}{7}$
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4 a store sends boxes of flowerpots to a nursery. there are 192 flowerp…
The ordered pairs are: (3, 18), (6, 36), (12, 72), (18, 108), (24, 144). To plot these points, on the graph with x - axis as the number of boxes and y - axis as the number of flow…
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breaking down information for quick repetition and memorization means u…
A. Flashcards
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test grade level: 9-12 \still i rise\ - maya angelou first: read the po…
1. I think the meaning of the first two lines is that the speaker is calling attention to how her unapologetic confidence and resilience upset those who have oppressed or sought t…
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tyreek randomly drew pieces of paper numbered 10 through 50 out of a bo…
A. \( \frac{1}{40} \)
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question 9 of 10, step 2 of 2 consider the following relation. s = {(-6…
Domain = $\{8, -7, -6, 3\}$ Range = $\{-6, 10, 6, 8\}$
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which of the following is a true statement? a. a probability near 0 ind…
B. A probability near 0 indicates an unlikely event.
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katrina and tara are pulling billiards, numbered 1 through 8, from a ba…
C. Tara
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10. the table below shows the results of an experiment in which a card …
Experimental: \( \frac{1}{6} \approx 0.17 \), Theoretical: \( \frac{1}{4} = 0.25 \); Experimental is less than Theoretical. #### 10b) \( P(\text{red card}) \) (Experimental and Th…
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context clues 2.6 name directions: read each sentence and determine the…
**Definition:** Brilliant, magnificent beauty or grandeur that is highly impressive. **Clues:** The reference to "the sunrise" (a visually magnificent natural event) and the phras…
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12. based on the experiment, if a card is drawn at random 500 times, ho…
125
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13 gods sacred name, ______, means \i am who i am\ 14 christians share …
Yahweh ### Question 14
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11. your uncle just bought a hybrid car and wants to take you and your …
(Proportional or not? Explain.) The quantities (hours of driving and gallons remaining) are not proportional. Explanation: For two quantities to be proportional, the ratio of gall…
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11. theoretically, if a card is drawn at random 500 times, how many tim…
125
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which sign makes the statement true? 0.00369? 3.69 × 10⁻³ > < =
=
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which sign makes the statement true? 844,000,000? 8.44 × 10⁻¹⁰ > < =
>
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11. your uncle just bought a hybrid car and wants to take you and your …
### Problem 11 (Hybrid Car Gas and Driving Hours) #### Step 1: Organize the data into a table We have the following ratios and information: - Initial: 8 gallons at 0 hours (8 : 0)…
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which sign makes the statement true? 2.2 × 10⁵? 2.29 × 10³ > < =
>
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which sign makes the statement true? 6.5 × 10⁻²? 0.0065 > < =
>
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which sign makes the statement true? 0.0455? 4.55 × 10⁻⁴ > < =
>
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which sign makes the statement true? $7.2 \\times 10^4$? $7.20 \\times …
=
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which sign makes the statement true? 3,040? 3.04 × 10² > < =
>
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which sign makes the statement true? 3.60 × 10³? 3.6 × 10³ > < = submit
=
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type the correct answer in each box. use numbers instead of words. a cl…
Together the students recycled 600 bottles. Each student recycled 20 bottles.
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which sign makes the statement true? 4.5×10⁴? 4.5×10⁵
<
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10. the table below shows the results of an experiment in which a card …
### Part (a): \( P(\text{club}) \) # Explanation: ## Step 1: Recall the formula for experimental probability The experimental probability of an event is given by \( P(\text{event}…
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multiply. write your answer in scientific notation. $(2 \\times 10^{-2}…
$4 \times 10^{-3}$
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multiply. (3 × 10⁻¹⁰)(2 × 10¹⁰) 6 × 10⁻¹⁰⁰ 9 × 10⁰ 9 × 10⁻¹⁰⁰ 6 × 10⁰ s…
$6 \times 10^{0}$
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9. a card is drawn from a standard deck of cards. find each probability…
s: a) \( \boldsymbol{\frac{1}{4}} \) b) \( \boldsymbol{\frac{1}{2}} \) c) \( \boldsymbol{\frac{3}{4}} \)
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consider the following functions. $f = \\{(1,0),(2, 3),(4,0)\\}$ and $g…
$-3$
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consider the following functions. $f = \\{(1,0),(2,3),(4,0)\\}$ and $g …
$2$
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consider the following functions.\\( f = \\{(1, 0), (2, 3), (4, 0)\\} \…
$4$
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type the / symbol on your keyboard to create fractions. press the × but…
$\frac{225}{256}$
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pencils pens 18 72 29 a 35 140 b 168 determine the missing value for th…
42
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multiply. write your answer in scientific notation. 60·(1 × 10⁻³)
$6 \times 10^{-2}$
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multiply. $(3 \\times 10^{-5})(2 \\times 10^{-3})$ $8 \\times 10^{-8}$ …
$6 \times 10^{-8}$
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multiply. write your answer in scientific notation. $(5 \\times 10^{6})…
$1 \times 10^{13}$
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multiply. $(3 \\times 10^4)(3 \\times 10^3)$ $6 \\times 10^1$ $6 \\time…
C. $9 \times 10^{7}$
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multiply. write your answer in scientific notation. 2·(2 × 10²)
$4 \times 10^{2}$
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multiply. $4\\cdot(1 \\times 10^2)$ options: $4 \\times 10^2$ $4 \\time…
$4 \times 10^2$
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exercises chapter 1 appendix: how to read and understand graphs learnin…
Slope at point A: $\boldsymbol{- 0.4}$; Slope at point B: $\boldsymbol{-0.14}$
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divide, \\frac{8 \\times 10^{9}}{2 \\times 10^{2}} options: 4 \\times 1…
$4 \times 10^7$
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question simplify: \\(\frac{6}{17} \\cdot \\frac{11}{25} \\cdot \\frac{…
$\frac{11}{25}$
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multiple choice 1 point the dot plots represent the number of books rea…
The difference in the modes is about \( 1\frac{1}{3} \) times the median of First Period. (The option corresponding to this statement, e.g., the third radio - button option in the…
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the table and scatter plot show the average monthly temperature, ( x ),…
| Average monthly temperature (in °F) | Observed monthly heating cost (in dollars) | Predicted monthly heating cost (in dollars) | Residual (in dollars) | |-----------------------…
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divide. write your answer in scientific notation. \\(\\frac{4 \\times 1…
$5 \times 10^{16}$
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3. how does knowing \\(\\frac{1}{5}\\) of 10 help you find \\(\\frac{3}…
Knowing $\frac{1}{5}$ of 10 (which is 2) lets you find $\frac{3}{5}$ of 10 by multiplying that value by 3, giving 6. For the visual: - Draw a rectangle labeled "10". - Split it in…
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kentish is arranging figurines on shelves. the number of figurines vari…
10
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divide. \\(\\frac{8 \\times 10^{-2}}{4 \\times 10^{6}}\\) \\(4 \\times …
B. $2 \times 10^{-8}$
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read each question and choose the best answer. then write the letter fo…
A. The library is busiest at the end of the day. ### Question 2
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round.53768 to one decimal place. * .54 .53 .5 .6
.5
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compare a predicted value to an actual value and calculate the percent …
- Predicted value: \( 50 \), Actual value: \( 45 \) - Percent Error: \( \approx 11.11\% \) - Interpretation: A ~11.11% percent error shows the prediction has a moderate deviation …
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2. find \\(\\frac{2}{3}\\) of 18. draw a set and shade to show your thi…
12 (Visual: 18 circles divided into 3 groups of 6, with 2 full groups (12 circles) shaded)
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the number of place settings of dishes varies directly with the number …
4
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two trains leave the station at the same time, one heading east and the…
1.2 hours
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divide. write your answer in scie\\(\\frac{4 \\times 10^{7}}{8 \\times …
$5 \times 10^{16}$
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\\(\\frac{1}{5}\\) of 35 = \\(\\frac{3}{5}\\) of 35 = \\(\\frac{5}{5}\\…
$\frac{1}{5}$ of 35 = 7 $\frac{2}{5}$ of 35 = 14 $\frac{3}{5}$ of 35 = 21 $\frac{4}{5}$ of 35 = 28 $\frac{5}{5}$ of 35 = 35 $\frac{6}{5}$ of 35 = 42
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question 1-8 doubling the sum of rob’s and cheryl’s ages gives 38. if c…
Rob is 9 years old.
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the scatter plot shows the time spent studying, x, and the midterm scor…
(a) 3.83 (b) 15.68 (c) 61.64
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divide. \\frac{2 \\times 10^{10}}{2 \\times 10^0} \\boxed{1 \\times 10^…
$1 \times 10^{10}$
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divide. \\frac{7 \\times 10^8}{1 \\times 10^4} options: 7 \\times 10^8 …
\(7\times 10^{4}\) (corresponding to the option "7 × 10⁴")
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the heights of 8th graders are modeled using the normal distribution sh…
Percentage of total area shaded: 99.7% $U = 55.5$ in, $V = 59.1$ in, $W = 62.7$ in
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divide. write your answer in scientific notati \\(\\frac{8 \\times 10^{…
$8 \times 10^{2}$
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divide. \\(\\frac{6 \\times 10^{4}}{6 \\times 10^{3}}\\) \\(8 \\times 1…
\(1\times 10^{1}\)
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suppose that the height (in centimeters) of a candle is a linear functi…
18.4 centimeters
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a group of people played a trivia game. scores in a trivia game which s…
10
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divide.\\( \\frac{6 \\times 10^{5}}{2 \\times 10^{3}}\\) \\(3 \\times 1…
\(3\times10^{2}\) (the option with "3 × 10²")
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allie counted how many letters each employee sent last week. mailing le…
16
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5. the forecast predicts a 40% chance of rain on tuesday and a 60% chan…
The chance that it will rain on both days is \( 24\% \) (or \( 0.24 \) in decimal form).
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some people took photos while visiting the zoo. taking photographs phot…
0
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on a nationwide test taken by high school students, the mean score was …
(a) 68% (b) 8 and 86
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the scatter plot shows the average monthly temperature, x, and a family…
(a) $y = -1.17x + 101.70$ (b) $\$72.45$
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a. write a linear function that shows your friend’s earnings in the num…
To solve this problem, we analyze the earnings - hours relationship for you and your friend. ### Part a: Determine the function for your friend's earnings We are given a table for…
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an art instructor kept track of how many pictures his students painted.…
29
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a teacher counted the number of times that students went down the slide…
14
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mr. powell recorded the scores on a math quiz. scores on the math quiz …
23
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to train for a hike in the mountains, perry is using a stair climbing m…
25 vertical feet per minute (the option corresponding to this is: 25 vertical feet per minute)
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at a school carnival, people spun a wheel numbered from 1 to 6. spinnin…
4
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akira is frosting cookies in her schools colors to sell at the bake sal…
$2\frac{1}{2}$ cookies with green frosting per cookie with white frosting (i.e., the option " $2\frac{1}{2}$ cookies with green frosting per cookie with white frosting")
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read the excerpt from the negro artist and the racial mountain to these…
A. contradictory
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read the excerpt from \the negro artist and the racial mountain.\ the p…
trend
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(a) a companys stock price stays the same for days. (b) greg drives fro…
(a) The second graph (with horizontal line for stock price). (b) The fourth graph (with decreasing line for distance to home).
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3. the word contaminated means — a. cleaned. b. polluted. c. organized.…
B. polluted
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some students spun a wheel that had numbers from 0 to 5 on it. spinning…
33
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scott owns a pizza shop in chicago. he uses about 8 liters of olive oil…
9
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the extreme bike shop runs dirt bike tours on a nearby trail. mia is ge…
56
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writing linear equations assessment (part 1) determine if the given rel…
NOT LINEAR
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1. in the word microorganisms, what does the prefix “micro-” mean? a. u…
D. Minute
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19. the data below in the table shows the cost of renting a paddle boat…
$c = 5h + 10$
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the readers of a magazine reported how many winter hats they owned. win…
6
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(b) kareem walks from home to school.
The first graph (the one with the line starting at the origin and increasing)
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12. winston won 3 races in 4 weeks. at that rate, how long will it take…
It will take \(\frac{40}{3}\) weeks (or approximately \( 13.33 \) weeks or \( 13\frac{1}{3} \) weeks) to win 10 races.
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drag each tile to the correct box. match the words in bold to their mea…
That leaves a heart high-sorrowful and cloy'd, (excerpt from "Ode on a Grecian Urn" by John Keats) → overly sentimental One shade the more, one ray the less, Had half impaired the…