統計と確率
データ分析、確率分布、仮説検定、統計手法。
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this weeks attendance = last weeks attendance - 60% of last weeks atten…
60% of last week's attendance = $\boldsymbol{0.6}$ $\boldsymbol{\times}$ 30 Expected decrease: 18 students This week's attendance: 12 students
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worksheet 4.1 (7.5) hour 8 2. | $x$ | $y=-2x+5$ | $y$ | | ---- | ---- |…
| $x$ | $y=-2x+5$ | $y$ | |-----|------------|-----| | 5 | $y=-2(5)+5$ | $-5$ | | -1 | $y=-2(-1)+5$ | $7$ | | 2 | $y=-2(2)+5$ | $1$ | | 0 | $y=-2(0)+5$ | $5$ | All the calculated …
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mr. adagio counted 30 students at last weeks art club meeting. this wee…
1. The formula blanks are filled as: this week's attendance = last week's attendance $\boldsymbol{-}$ 60% of $\boldsymbol{\text{last week's attendance}}$ 2. The number of expected…
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8 on monday, a sports team practiced for 120 minutes. on tuesday, the t…
B. $\frac{9}{20} \times 120$, E. $0.45 \times 120$
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what is the product of 41 and $4.4 \\times 10^5$ expressed in scientifi…
$1.804 \times 10^7$
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problem 8: spiral review mentally evaluate the quantity. 15 is what per…
50%
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ections to classification:he classification to the terms by drawing a l…
1. d. Maslow's hierarchy 2. j. Social factor 3. b. Global factor 4. a. LEED 5. f. Universal design 6. h. environmental factor 7. i. Programming phase 8. c. Pre-design phase 9. g. …
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question 5 5/10 which of the following is not a discrete relationship? …
Time
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problem 7 which value is 0.2 expressed as a percentage? 2% 0.02% 20% 0.…
20%
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4. \their hiatus saw the release of beyoncés debut album\. in this sent…
The word "hiatus" means a temporary break or pause in an activity. The context clues lead to this meaning: the sentence links the hiatus to the release of Beyoncé's debut solo alb…
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discretepurchasingtickets# of studentstext messagescontinuous4/10why ar…
A. You receive the entire message, not a fraction of it.
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identify the error in generating an expression equivalent to $4 + 2x - …
The error was an incorrect distribution of $\frac{1}{2}(10-4x)$ (the work incorrectly calculated this as $-5 + 2x$ instead of $5 - 2x$, and also misapplied the leading negative si…
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3/10 which of the following is an example of a discrete relationship? p…
1. Purchasing tickets
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the number of victims of a flu epidemic increases at a rate of 10% per …
The exponential function is $N(t)=23(1.10)^t$. The graph is a smooth, increasing curve starting at $(0,23)$ and passing through the points $(1,25.3)$, $(2,27.83)$, and $(3,30.613)…
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fill in the blank. a ______ random variable has either a finite or a co…
discrete
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fill in the blank. a ______ random variable has infinitely many values …
continuous
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evaluate. express your answer in scientific notation. $9.17 \\times 10^…
$1.1 \times 10^3$
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fill in the blank. the ______ of a discrete random variable represents …
expected value
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the exponential model below represents the population of a town $x$ yea…
The town's population today is 15192
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in a states pick 3 lottery game, you pay $1.21 to select a sequence of …
a. 1000 b. 0.001 c. $359.95 d. $-0.85
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2/10 how can you identify a continuous relationship on a graph? the poi…
2. The points are connected between the start and end.
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3 angel jumps rope. he does 38, 50, 22, and 29 jumps. how many jumps do…
Jess incorrectly used the number 22 twice instead of using 38 and 22, then added $50 + 22 + 22 = 94$. The correct total number of jumps is 139.
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q3 - accelerated mathematics gr 8 | quiz 3 10. a theater requires child…
c. $\text{age} < 12$
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q3 - accelerated mathematics gr 8 | quiz 3 9. if a park closes at sunse…
d. $t \leq 8$ PM
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1/10 which of the following is a characteristic of a discrete relations…
## Graphs representing discrete relationships: Graph 2, Graph 3 ## Correct characteristic option: 2. It cannot be broken down into fractions or decimals.
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question evaluate. express your answer in scientific notation. $8.5 \\t…
$2.8 \times 10^{-7}$
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test prepdate: feb.9.26know the news: the bling kingread the article on…
1. A. Mansa Musa was an extremely wealthy African emperor who built a major empire. 2. C. "The emperor was a skilled leader who transformed Mali into one of the largest empires in…
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7. what is the inequality for speed, s, must be under 60 mph for safety…
c. \(s < 60\)
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the difference between the literal meaning of what one says (semantic m…
d. indirect
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5 fill in the blank 1 point n weighted average what is the weighted ave…
$-27$
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select the best description of the following exponential equation. $f(x…
Growing by 334% with every unit of $x$
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jamarion bruce q3 - accelerated mathematics gr 8 | quiz 3 4. a wildlife…
b. $v < 100$
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jorden king the percent proportion directions: find each missing part. …
## Column 1 6. $\boldsymbol{51}$ 7. $\boldsymbol{240}$ 8. $\boldsymbol{60\%}$ 9. $\boldsymbol{90}$ 10. $\boldsymbol{42}$ ## Column 2 Light Blue: $\boldsymbol{72\%}$ Dark Blue: $\b…
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my assignments deauty or the canyon. leave it as it is. humans cannot i…
A. strip of resources.
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my assignments development through the wise action of congress in passi…
C. importance
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practice problems from unit 3, lesson 4 tyler and elena are on the cros…
a. Tyler's pace: 8 minutes per mile; Elena's pace: 8.5 minutes per mile b. Tyler ran faster. A lower minutes-per-mile pace means a faster runner, and Tyler's 8 minutes per mile is…
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wesley controls the unmanned submarine for the popular show underwater …
lionfish
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here are the scores of 13 students on an algebra test. 60, 62, 64, 71, …
### Five-number summary Minimum: 60 Lower quartile: 67.5 Median: 75 Upper quartile: 83 Maximum: 90 ### Interquartile range: 15.5
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answer the question based on the image posted. if jim spins the spinner…
4
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practice vocabulary matching logic: using your knowledge of the underli…
1. Matches with: These wealthy planter families lived mainly in the cotton belt of the lowland South and in coastal areas of South Carolina, Georgia, and Louisiana. 2. Matches wit…
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this question: 1 point(s) possible you select a family with three child…
$\frac{7}{8}$
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of 15 possible books, you plan to take 3 with you on vacation. how many…
455
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answer the question based on the image posted. if kelly spins the spinn…
18
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answer the question based on the image posted. according to the table, …
0.3
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determine whether the following problem involves a permutation or combi…
problem involves a **permutation** because the **order** of letters selected **does** matter.
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answer the question based on the image posted. for a single spin, what …
0.25
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how many distinct permutations can be formed using the letters of the w…
151200
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if you were to flip the coin 15 times, how many times will the coin lan…
7
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for a segment of a radio show, a disc jockey can play 5 records. if the…
6720
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a particular standardized test has scores that have a mound-shaped dist…
Dick, Harry, Tom
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in an encyclopedia of language, the author presents five sentences that…
120
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in the following statement, express the first number as a percentage of…
57.3
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based on the table, what is the experimental probability that the coin …
$\frac{8}{15}$
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6.2 extra practice write and solve a proportion to answer the questions…
A. 15 B. 37.5% C. 50 D. 77 E. 25% F. 75% G. 20% H. 200 I. 525 J. 42 K. 33 L. 0.18 M. 96
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fill in the blank in the following statement. the wholesale price of a …
0.7
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theoretical probability when flipping a coin, what is the theoretical p…
0.5
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the image shows an opened package of m&ms. the mars chocolate company d…
| Probability | Fraction | Percent (%) | |-------------|----------|-------------| | $P(\text{Pink})$ | $\frac{1}{4}$ | 25.0 | | $P(\text{Yellow})$ | $\frac{1}{4}$ | 25.0 | | $P(\t…
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the image shows an opened package of m&ms. determine the experimental p…
| Probability | Fraction | Percent | |---------------|----------|----------| | $P(\text{Pink})$ | $\frac{5}{16}$ | 31.3% | | $P(\text{Yellow})$ | $\frac{3}{16}$ | 18.8% | | $P(\te…
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value: 3 the table shows the number of students in each grade who parti…
a. 10th grade
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the image shows an opened package of m&ms. mark each statement that is …
- You are more likely to pick a pink M&M than any other color of M&M. - You are more likely to pick a purple or yellow M&M than you are to pick a pink M&M. - The probability of pi…
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fill in the blank in the following statement. the population of city a …
81
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to save money for a new phone, terrell took a part-time job wrapping gi…
Completed table: | Minutes | Gifts wrapped | |---------|---------------| | 10 | 3 | | 30 | 9 | | 50 | 15 | | 60 | 18 | For the graph: Plot the points (10, 3), (30, 9), (50, 15), (…
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value: 3 the table shows the number of students in each grade who parti…
a. 35.3%
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the table shows the number of students in each grade who participate in…
d. 123
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fraction/decimal/% 7/4______ ______ ______ .165 ______ ______ ______ .2…
--- ### Left Section Results: 1. For $\frac{7}{4}$: Decimal = $1.75$, Percentage = $175\%$ 2. For $0.165$: Fraction = $\frac{33}{200}$, Percentage = $16.5\%$ 3. For $0.25\%$: Frac…
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the information in the table was compiled from a survey of state park u…
b. 98,300
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on holidays, aaron enjoys making sloppy joes for his friends and family…
Completed Table: | Ketchup squirts | 5 | 15 | 20 | 30 | |-----------------|---|----|----|----| | Mustard squirts | 2 | 6 | 8 | 12 | Graph: Plot the points (2, 5), (6, 15), (8, 20)…
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the information in the table was compiled from a survey of state park u…
d. camping
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value: 2 the information in the table was compiled from a survey of sta…
d. 18%
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every evening after dinner, hazel and charlotte leave for a bike ride. …
Completed table values: - 9 seconds: 135 feet - 12 seconds: 180 feet Graph instructions: Plot the points (3, 45), (6, 90), (9, 135), (12, 180) on the provided grid, with the x-axi…
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at the end of a year, the gross debt of a country stood at about $19 tr…
$65100$
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there are approximately 2.1 million deaths per year in country a. expre…
4.0 deaths/min
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fill in the blank. will is 30% taller than wanda, so wills height is __…
130
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complete the following sentence. in 2020, the median age at first marri…
13.7
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apply exponent properties for all integer exponents busby is a famous c…
4000 likes
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a new car is purchased for 17600 dollars. the value of the car deprecia…
$4759.04$ dollars
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apply exponent properties for all integer exponents busby is a famous c…
4400
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the value of a certain investment over time is given in the table below…
The **exponential** function would best fit the data because as $x$ increases, the $y$ values change by a nearly constant multiplicative factor. The growth factor of this function…
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humans cant regrow body parts because we have evolved. which clue helps…
The context clue to drag to the chart is "able to change jobs" (mapped to the "Context Clue" column paired with the word "evolved" in the "Word" column). *Note: This clue is seman…
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match the graph with its inequality. $a \\geq 11$ $a > 11$ $a < 11$ $a …
$a \geq 11$
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abdul loves to make fresh lemonade in the summer. in his recipe, he use…
Completed table: | Cups of lemon juice | 3 | 9 | 15 | 18 | |---------------------|---|---|----|----| | Cups of sugar | 2 | 6 | 10 | 12 | For graphing: Plot the coordinate pairs (2…
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punishment given to an individual meant to prevent or deter others from…
general
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b. draw a line representing the relationship between x, the number of h…
For part b: Plot the points $(0, 500)$ and $(20, 1500)$ on the graph, then draw a straight line passing through them. For part c: The slope of the line is 50. In this context, it …
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find the absolute change and the relative change in the following case …
The absolute change is $\boldsymbol{-23.9}$ pounds per person. The relative change is $\boldsymbol{\approx -0.315}$ (or $\boldsymbol{-31.5\%}$).
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13. how can you use estimation to find $9\\frac{1}{2} + 9\\frac{1}{2} +…
First, estimate by rounding each $9\frac{1}{2}$ to 10, calculate $10\times5=50$. Then adjust by subtracting the total overestimation ($5\times\frac{1}{2}=2.5$) to get the exact es…
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a dessert recipe calls for $2\\frac{1}{2}$ cups of milk and makes 5 ser…
4 cups
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interactive practice: express numbers using integer powers of 10 five p…
Elise, Ben, Ryan, Mari, Tiana
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example 3: henry flips a coin 3 times. make a list to show the sample s…
Sample space: $\{HHH, HHT, HTH, HTT, THH, THT, TTH, TTT\}$ Probability of getting three heads: $\frac{1}{8}$
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east high wants to estimate the number of students who drive to school.…
(a) 50 students are randomly selected from the school; 9 drive to school. (b) 261
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multiple select question select all that apply if people go to a foreig…
- practice value neutrality - place a priority on understanding other cultures
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which of the following values are between $5 \\times 10^{-4}$ and $2 \\…
\(7 \times 10^{-4}\), \(9 \times 10^{-4}\), \(1 \times 10^{-3}\)
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26 a girl of the limberlost by gene stratton-porter (excerpt) (1) ...\i…
(20) "Young woman, that's the rarest moth in America," said the Bird Woman solemnly. "If you have a hundred of them, they are worth a hundred dollars according to my list. I can u…
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unit 2 test: selected and short response (online)duejan 16 - 11:45 pm l…
B. acts of protesting; noun
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which value is greater than $7 \\times 10^{6}$? $8 \\times 10^{3}$ $4 \…
$4 \times 10^7$
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washington high wants to estimate the number of seniors who plan to go …
(a) 25 seniors are randomly selected; 17 plan to go to a 4-year college. (b) 238 seniors
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example 1: patricia rolls two standard number cubes. use the table give…
Example 1: $\frac{1}{9}$ Example 2: $\frac{1}{12}$ Example 3: $\frac{1}{8}$
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language development: vocabulary identify the choice that best answers …
C. narrowing of a passage
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town officials want to estimate the number of households that own a dog…
(a) 20 households are randomly selected from the town; 8 own a dog. (b) 120 households
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example 1: patricia rolls two standard number cubes. use the table give…
$\frac{1}{9}$
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when writing the condensed log expression of $2\\log_{5}(x) + 4\\log_{8…
2