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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mr. bauer deposits $600 in an account that earns simple interest at an …
The first box (the coefficient of the parentheses) is \( 600 \), the second box (the interest rate in decimal) is \( 0.02 \), and the third box (the time in years) is \( 3 \). So …
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multiple select question select all that apply which questions should b…
A. Are the statistics representative? B. Are statistical measures used correctly? C. Are the statistics from a reliable source? D. Are the statistics from a large enough sample?
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multiple select question select all that apply when using a hypothetica…
B. statistics D. testimony
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the depth of the water, d, in a swimming pool increases and decreases b…
For " \( d \) increased by 3%": - \( 0.97d \): Unchecked - \( 1.03d \): Checked - \( d - 0.03 \): Unchecked - \( d + 0.03d \): Checked - \( (1 - 0.03)d \): Unchecked For " \( d \)…
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determine if the outcome of the event described would be found using a …
(Grouped): - Permutation: placing items in a line, placing first or second in a race, choosing 3 - digit lock combinations - Combination: choosing cards from a deck of cards, choo…
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the two - way table shows the estimated number of students who will enr…
0.4 (corresponding to the option "0.4")
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a) five random students in each homeroom * 1 point 3. a high school is …
a) Unbias b) Bias c) Bias
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find ( p(y|b) ) from the information in the table. to the nearest tenth…
0.4
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mr. carandang sold a total of 1,790 prints of one of his drawings. out …
517 (corresponding to the option "517")
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2. the varsity baseball team has won 15 out of their last 16 games. the…
1. Probability Varsity wins next game: $\frac{15}{16}$ 2. Probability both teams win next games: $\frac{9}{16}$
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for the soccer banquet, the players and their family members selected t…
The second two - way table (the one with rows Rice, Potatoes, Total and columns Chicken, Fish, Vegetarian, Total where Rice - Chicken = 21, Rice - Fish = 6, Rice - Vegetarian = 5,…
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the two - way table shows the ages of the players on different soccer t…
The probability that a randomly selected player on Team C is 10 years old is $\frac{5}{16}$ (the third option).
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| | x | y | z | total | | a | 45 | 30 | 60 | 135 | | b | 20 | 10 | 25 |…
C and Y are not independent events because \( P(C \mid Y) eq P(C) \). (The corresponding option is the last one: "C and Y are not independent events because \( P(C \mid Y) eq …
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the two - way table shows the number of houses on the market in the cas…
0.8 (corresponding to the option with 0.8, e.g., if the options are as given, the correct one is the last option: 0.8)
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the two - way table shows the preferred vacation destination for people…
The probability that a randomly selected person who chose Mexico as the preferred destination is a child is $\frac{14}{113}$ (the last option: "The probability that a randomly sel…
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information about the students at jackson high school is shown in the t…
A. Out of the 352 eleventh graders at the school, 173 of them are girls.
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scatter plots: line of best fit write the slope-intercept form equation…
s: 1. \(y =-\frac{3}{5}x + 9\) 2. \(y=-\frac{10}{9}x + 10\) 3. \(y=-x\)
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scatter plots: line of best fit write the slope-intercept form equation…
\(y =-\frac{3}{10}x + 9\) (or \(y=-0.3x + 9\)) ### Problem 2 (Second Scatter Plot)
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concept vocabulary and word study acceptance speech for the nobel peace…
Yes. Because "humiliation" involves feeling ashamed and losing dignity, so being made to feel ashamed and foolish means experiencing humiliation. ### Word List - Question 2
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brown law firm collected data on the transportation choices of its empl…
A. A and C
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the two - way table shows the distribution of gender to favorite film g…
Event F for female and event D for drama are independent events. (The option: Event F for female and event D for drama are independent events.)
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the two - way table shows the distribution of book style to genre. migu…
Yes, the two events are independent because \( P(\text{NF}|\text{PB}) = P(\text{NF}) \).
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out of 106 total sophomores, there were forty - eight boys who received…
B. Boys: 12 (A), 24 (B), 12 (C), Total 48; Girls: 16 (A), 30 (B), 12 (C), Total 58; Total: 28 (A), 54 (B), 24 (C), Total 106
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consider the two-way table below. find ( p(b|c) ). | | c | d | total | …
\( P(B|C)=\frac{9}{24} = 0.38 \) (the option: \( P(B|C)=\frac{9}{24}=0.38 \))
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evaluate $_{8}mathrm{p}_{4}$ and $_{8}mathrm{c}_{1}$. (if necessary, co…
\( _8P_4 = 1680 \) \( _8C_1 = 8 \)
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starting teachers’ salaries starting teacher salaries for upper seconda…
- Range = 16,340.0 - Variance ≈ 53,089,258.6 - Standard deviation ≈ 7,286.2
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8. you use \\(\\frac{1}{32}\\) milliliter of essential oils for every \…
### Part 8a: - Essential oil: 6 milliliters - Avocado oil: 144 milliliters ### Part 8b: - Essential oil: $\frac{1}{2}$ milliliter - Avocado oil: 12 milliliters - Coconut oil: 3 mi…
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d. surveys 8. some utilities go directly to their customers using _____…
8. d. surveys 9. c. records
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select the word that means a short story that teaches a lesson. aesop w…
fable
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instructions complete the chart by dragging and dropping the correct me…
To solve this, we match each term with its definition and create a sample sentence: ### behold - **Definition**: to see or observe something or someone remarkable - **Sample Sente…
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a spinner has sections that are numbered 1 through 6. naomi spins the s…
160 times
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use the venn diagram to calculate conditional probabilities. which cond…
The correct conditional probabilities are: - \( \boldsymbol{P(D | F) = \frac{6}{34}} \) (first option) - \( \boldsymbol{P(E | D) = \frac{7}{25}} \) (second option) - \( \boldsymbo…
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1. directions: - type your response in the text box; or - complete your…
El valor de \( x \) es 7, y \( x \) representa el número de libros en la categoría intermedia (o "unidad base") que se usa para calcular la cantidad de novelas y libros de ciencia…
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elias writes the numbers 1 through 20 on separate slips of paper. there…
C. yes, because the probability of choosing an odd number is equal to the probability of choosing an odd number given that the slip is yellow
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at sangers auto garage, three out of every five cars brought in for ser…
\(\frac{12}{35}\)
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1. directions: - type your response in the text box; or - complete your…
La recolección duró 7 horas (o en el problema de las manzanas, \( x = 7 \) horas). La solución \( x = 7 \) representa el número de horas de recolección (o de venta, o de la activi…
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a dentist polls his patients and finds that 83 percent brush their teet…
23%
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at mountain high school, the students were surveyed about their partici…
\(\frac{9}{33}\) (corresponding to the option: \(\boldsymbol{\frac{9}{33}}\))
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what statements are correct? check all that apply. the conditional prob…
- The conditional probability formula is \( P(X \mid Y) = \frac{P(X \cap Y)}{P(Y)} \). - The notation \( P(R \mid S) \) indicates the probability of event \( R \), given that even…
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y ≤ -x + 1 y > x options: (-3, 5); (-2, 2); (-1, -3); (0, -1)
○ (-2,2)
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a shipping box can carry no more than 6 pounds. each order of jumbo pap…
The correct graph is the second one (top middle), with intercepts at (3, 0) and (0, 2), and the shaded region below the line in the first quadrant.
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a wholesaler requires a minimum of 4 items in each order from its retai…
The bottom-right graph (with shading above the solid line $y = -\frac{1}{2}x + 2$, restricted to non-negative $x,y$)
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part a now, complete the left side of the table by identifying words an…
| Words/Phrases that Affect Tone | Impact of These Word Choices | |---------------------------------|-------------------------------| | *very lightly*, *touched my arm* | The soft…
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31) $(11b^4 - 3b^4) - (3b^4 - 11b^4 + 7b)$ 32) $(12p + 14p^5) + (8 - 14…
\( 12p + 20 \)
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instructions make a histogram of the z - scores. height z - histogram 1…
Yes
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instructions make a histogram of the deviations. height deviation histo…
Yes
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4. in cell j1, type \deviation sd\ 5. in cell j2, enter the formula =st…
14. 0.00 15. 4.83
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use the tables below to find $(p + q)(2)$. | $x$ | $p(x)$ | | --- | ---…
\(1\)
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12 numeric 1 point what percentage of the heights fall within two stand…
Question 12: 83.3 Question 13: 100.0
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1. in cell g1, type \lower limit\ 2. in cell h1, type \upper limit\ 3. …
100.0
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2. make row 1 bold and centered 3. in cell c1, type \ 4. in cell c2, en…
448
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standard deviation based on survey data. first, lets randomly select te…
2.8
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1. copy column o of the sheet named \iqr\ to column a of a new sheet na…
4.8
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sort the words according to the meanings of their shared roots. fortitu…
**beside**: paralegal parallel paradigm parameter **strength**: fortitude fortify
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sort the words according to the meanings of their shared roots. septet …
## seven septet septuagenarian septuple ## together conjoin communicate complex
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sort the words according to the meanings of their shared roo levee cavi…
- hollow: cave, cavity, cavern - raise; rise: levee, levitate, lever
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question 1 of 5 what is the most likely meaning of the metaphor in this…
C. The metaphor comparing the boy's legs to lead weights suggests that he is moving slowly toward the house.
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the mountain view ski resort kept track of the number of visitors they …
75
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last year, lola kept track of how long she volunteered at the animal sh…
10
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question which of the contexts below represents exponential decline or …
A radioactive compound decays at a rate of 5% per hour.
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match exponential equation and context this is the only question in thi…
$V = 140(1 + 0.15)^2$
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write the decimal and the fraction shown.
1. Decimal: $0.09$, Fraction: $\frac{9}{100}$ 2. Decimal: $0.98$, Fraction: $\frac{49}{50}$ 3. Decimal: $0.4$, Fraction: $\frac{2}{5}$
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there are 16 junior high students in the brewster town swimming club. a…
3
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question 3 what does dweck mean by \learned helplessness?\ support your…
To answer the question about what Dweck means by "learned helplessness" and support it with text quotations, we would need access to the full text of "The Secret to Raising Smart …
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prices of silver and tin the data show the price of silver and the pric…
\(3.68\)
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prices of silver and tin the data show the price of silver and the pric…
The standard deviation of the price of silver is \( \$9.62 \)
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a spinner has sections that are numbered 1 through 6. naomi spins the s…
100
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an online game sometimes awards a prize for entering a daily tournament…
5
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question 11 (3 points) open the fall 2018 student survey data file in m…
- unimodal - skewed to the right - looking at the histogram, there do not appear to be any outliers.
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kimora keeps 160 beads in a storage box. she chooses a bead without loo…
54
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researchers wanted to determine if patrons of fast food restaurants wer…
The sample is 4. every 20th person leaving the restaurant The population is 5. all people that go to fast food restaurants
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kimora keeps 100 beads in a storage box. she chooses a bead without loo…
40 green beads
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question 6 (1 point) identify which of these types of sampling is used:…
Cluster (The sampling method used is Cluster Sampling, as the cities are considered clusters and the researcher samples from each of these clusters (selecting 500 people from each…
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question 3 (1 point) determine which of the four levels of measurement …
C. Interval ### Question 4
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determine whether the number in bold is a statistic or a parameter. a s…
Parameter ### Question 2
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consider the following data set: 69 41 43 54 50 83 52 78 73 41 52 86 52…
- Stem 4: leaves 1, 1, 2, 3 - Stem (missing, tens=5): stem 5, leaves 0, 2, 2, 2, 4 - Stem 6: leaves 3, 5, 9, 9 - Stem (missing, tens=7): stem 7, leaves 3, 8 - Stem (missing, tens=…
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the table shows a function. is the function linear or nonlinear? x | y …
linear
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the table shows a function. is the function linear or nonlinear? | x | …
linear Wait, correction: The slopes are not equal, so the function is nonlinear.
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which expression can you use to predict the number of contestants (vult…
$\frac{7}{20} \cdot 202$
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zayden has a jar of coins. he chooses a coin at random, notes what type…
1. $\frac{7}{15}$ 2. $\frac{7}{16}$ 3. $\frac{8}{17}$
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zayden has a jar of coins. he chooses a coin at random, notes what type…
1. $\frac{7}{15}$ 2. $\frac{7}{16}$
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zayden has a jar of coins. he chooses a coin at random, notes what type…
$\frac{7}{15}$
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12. the pioneers will forge through the snow to reach shelter. forge me…
12. A. push forward 13. C. has a problem 14. C. enemy 15. C. healthy and young
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held that while the fourth amendment applies to schoo easonable suspici…
One flaw is in the second reason. Assuming rolling paper in the bag means it's paired with marijuana is a hasty generalization (rolling paper has other uses). Also, using "a 14 - …
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emily chooses a paper clip from a box without looking. she records the …
$\frac{5}{24}$
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there are 75 penguins on an iceberg. there are fewer penguins in the wa…
$30$
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maya drank 86 glasses of water in january. she drank 18 fewer glasses o…
68
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emily chooses a paper clip from a box without looking. she records the …
$\frac{13}{24}$
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4) kevin has a total of 68 green and gray socks. if kevin has 20 green …
40
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an animal shelter has a total of 72 dogs and cats. if the animal shelte…
33
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there are 38 elm trees and 53 birch trees in a park. how many trees are…
91
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the cafeteria needs 39 onions. there are 4 onions in each bag. how many…
10
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emily chooses a paper clip from a box without looking. she records the …
$\frac{1}{4}$
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a group of 92 campers wants to take row boats out on the lake. if each …
12 row boats
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there are 25 waters and 55 juices in a cooler. how many drinks are in t…
80
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mariana has 84 gumballs and lollipops. if mariana has 23 gumballs, how …
61
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a gym teacher has $52 to spend on new basketballs. if each basketball c…
8 basketballs
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a family needs to buy 26 rolls of paper towels. if each package has 5 r…
6 packages
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rico has some books in his home library. he read 7 books. now he has 22…
29
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kyle read 17 pages in the morning. he read more in the afternoon. by th…
21