Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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algebra 1.3 section a checkpoint 1. a company is testing two versions o…
a. 49 people reviewed product version 2. b. There is no strong association. The relative frequencies of "would buy it" (\(\frac{23}{35}\approx0.657\) for version 1 and \(\frac{32}…
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the spreadsheet shows exam scores for one class. find the mean for all …
\(45.0\)
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the declaration of independence cites a long list of injustices committ…
B. Separation of Powers
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diwali pre-reading a. warm-up questions 1. which religion celebrates di…
1. d 2. f 3. b 4. c 5. h 6. e 7. i 8. j 9. g 10. a
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these data are the number of on - campus burglaries reported in a given…
\(16\)
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these data are the number of on - campus burglaries reported in a given…
The midrange is \(10\) burglaries.
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these data are the number of on - campus burglaries reported in a given…
\(10.8\)
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name date period algebra 1.3 section a checkpoint 1. a company is testi…
a. 49 people reviewed product version 2. ## Step1: Create a relative - frequency table First, we find the row - relative frequencies. For product version 1: The proportion of peop…
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the party affiliation of registered latino voters for recent years is a…
Democrat: \(162^{\circ}\), Republican: \(72^{\circ}\), Independent: \(79^{\circ}\), Other: \(47^{\circ}\)
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classify the sample as random, systematic, stratified, or cluster. mail…
stratified
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whale in the pacific, feeding sheep and cattle on the hill - side, livi…
Black people were performing the same duties as others without the same rights.
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classify the sample as random, systematic, stratified, or cluster. mall…
stratified
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7) the cumulative relative frequency graph below shows the distribution…
b) Approximately \(0.1\) (or \(10\%\)) of the batteries will last \(350\) hours or more. c) A battery life of approximately \(275\) hours would be at the \(65^{th}\) percentile. d…
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8) with the help of scientists, farmers in the philippines have been ab…
a) \(82952\) kg/hectares b) \(85754\) kg/hectares
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to be sure that your meaning will be clear to all readers, use familiar…
face use first help find out start best things now spread begin light put out end
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what does separation of church and state mean? churches cannot make law…
The government cannot make laws based on religion.
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read the paragraphs from lather and nothing else. he came in without a …
shake; nervousness; recognized; razor
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what does respect mean? *
Respect means showing regard, esteem, and consideration for others. It involves acknowledging their worth, opinions, and boundaries. It is about treating people with dignity, whet…
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algebra 1 © 2016 kuta software llc. all rights reserved name hw 1.3 lin…
1. No correlation. 2. Negative correlation.
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how did most industrial tycoons regard their workers? tycoons typically…
Tycoons typically did not support worker unions and did not care much for their workers. They often prioritized profit (as seen in Vanderbilt's focus on industry dominance and pro…
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the practice of selective incorporation means that the bill of rights w…
sometimes be applied to the states by the Court.
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what did it mean when foreign diplomats \kowtowed\ to the chinese emper…
It meant that the diplomats were showing respect for the Chinese emperor.
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noah is buying a pair of jeans and using a coupon for 10% off. the tota…
The solution \(x = 60\) means that the original price of the jeans (before the \(10\%\) discount) is \(\$60\).
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open note - not open phone • multiple choice - please mark all your ans…
1. B. A government with three separate branches 2. A. Made up of two houses. In one house, representatives would be elected by the States; the President would appoint the members …
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the term \on margin\ means paying the balance in full for an asset with…
paying the down payment on an asset and borrowing the balance.
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6) in a recent year, consumer reports rated many tablet computers for o…
The percentile is 15. ### Part b)
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noahs purchase can be modeled by the equation: $x - 0.1x + 2.70 = 56.70…
The solution of the equation \(x\) represents the original price of the item that Noah purchased.
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module 8: correct use of verbs lie and lay 8d the verb lie means “to re…
1. lying 2. laid 3. lies 4. lain 5. laying
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how can people, especially young people, forge healthier relationships …
B. keep people using them.
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because i found it fun, but after a while i played mostly because i pre…
B. He thinks the word 'addiction' would make the problem harder to solve.
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range = maximum - minimum = 23 - 11 = 12 result: range = 12 q2): a bank…
(i) The average is \(7.72\) (ii) The median is approximately \(8.02\) (iii) The standard deviation is approximately \(1.71\)
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b. revising sentences by correcting faulty pronoun reference revise the…
1. These statistics indicate that inflation was lower last year. 2. My brothers traveled to see the band live during the band's final appearance. 3. Don't mix molasses with the ho…
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read this excerpt from the declaration of independence: he has refused …
D. Pathos
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andrew carnegies ascent to wealth and philanthropy marked a significant…
He wanted to allow others to research opportunities like he did.
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2. what is the meaning of \fruit of her womb\?
It means a woman's child or children.
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bellringer for today is: - if you save an extra $50 a month starting at…
Compounding means returns on initial investment and accumulated returns. Starting early (age 18 vs. 28) gives more compounding time. By age 65, the 10 - year difference leads to m…
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the case of furman v. georgia (1972) resulted in a reinterpretation of …
cruel and unusual punishment.
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read the excerpt. araby by james joyce (adapted excerpt) when the short…
B. It establishes a somber tone in the story.
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the last class by alphonse daudet (excerpt) (1) i was very late for sch…
(11) I stepped over the bench and sat down at once at my desk. Not until then, when I had partly recovered from my fright, did I notice that our teacher had on his handsome blue c…
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to show the relationship between the serving size and the number of pou…
\(40\)
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the ratio table shows the relationship between cups of sauce and servin…
\(4\)
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birthday party the equation for the line of best fit is $y = -\\frac{3}…
The number of juice boxes is decreasing by about 3 boxes every 5 minutes.
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read this excerpt from rogue heart: if you listen carefully, you can he…
amazements
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race training the equation for the line of best fit is ( y = 2x + 6.2 )…
Cameron increases his weekly running distance by about 2 miles each week.
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juniper springs conservation area the equation for the line of best fit…
The tortoise population increases by about 2 tortoises every year.
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the equation for the line of best fit is ( y = -2x + 49 ). according to…
A. A swimmer who just joined the team would likely have a best time of about 49 seconds.
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the equation for the line of best fit is $y = 1,300x + 38,000$. accordi…
A product designer’s salary is likely to increase by about \(\$1,300\) each year.
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which statement about the authors feelings is best supported by the fol…
A. Her niece’s birth is meaningful to her because she’d always wanted another girl
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hockey games the equation for the line of best fit is ( y = -\frac{1}{2…
The team could expect to score about 6 goals in a game if they do not receive any penalties.
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pumpkins the equation for the line of best fit is ( y = 15x + 2 ). acco…
There are about 15 additional seeds for every additional pound of weight.
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snack accounts the equation for the line of best fit is ( y = - 3x + 37…
Kids typically start with about \(\$37\) in their snack accounts.
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pet dogs the equation for the line of best fit is ( y=\frac{1}{25}x ). …
A 25 - pound dog would likely eat about 1 cup of food per day.
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the equation for the line of best fit is ( y = 3x - 15 ). according to …
A dog’s weight increases by about 3 pounds for every additional inch in height.
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catering events the equation for the line of best fit is ( y = 25x + 20…
Each additional guest increases the total cost of catering an event by about \(\$25\).
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students running laps the equation for the line of best fit is ( y = 5x…
A. A student who has not run any laps would likely have a heart rate of about 85 beats per minute.
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push - ups and throwing distance the equation for the line of best fit …
A typical student can be expected to throw a football about \(1.5\) yards farther for each additional push - up completed.
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tomato plant the equation for the line of best fit is y = 4x + 7. accor…
The tomato plant was about 7 inches tall when Polly planted it.
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the line of best fit. silver city lake the equation for the line of bes…
The depth of the lake is expected to decrease about 1 foot every 2 months during the drought.
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mr. lees students the equation for the line of best fit is ( y = -6x + …
A student with no absences would likely score about \(92\%\).
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loaves of bread the equation for the line of best fit is ( y=\frac{1}{1…
About \(\frac{1}{10}\) of the loaves go unsold each day.
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the equation for the line of best fit is ( y = -\frac{1}{2}x + 45 ). ac…
A. A road with 32 houses per mile would likely have a speed limit of about 30 miles per hour.
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typing tests the equation for the line of best fit is ( y = -x + 25 ). …
Liam probably typed about 25 words incorrectly at the start of the typing class.
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winter jacket sales the equation for the line of best fit is ( y = 3x +…
In a winter without any snow, the store would likely sell about 75 jackets.
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feeding horses the equation for the line of best fit is ( y = -4x + 48 …
Each additional volunteer decreases the time it takes to feed the horses by about 4 minutes.
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alfalfa harvests the equation for the line of best fit is ( y = 3x + 1 …
Philip would likely be able to harvest about 19 acres in 6 hours.
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employee salaries the equation for the line of best fit is ( y = 1,360x…
A salesperson’s annual salary can be expected to increase by about \(\$1,360\) for each additional year of employment.
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baseball shirts the equation for the line of best fit is ( y = - 6 x + …
The manager likely started out with about 125 shirts.
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the equation for the line of best fit is ( y = -2x + 48 ). according to…
The number of people who sign up for a bike ride decreases by about 2 people for each additional mile.
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the equation for the line of best fit is $y = 1.25x + 0.2$. according t…
Maple trees grow about 1.25 feet per year.
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walk to school the equation for the line of best fit is ( y=\frac{1}{5}…
Betty takes about 1 extra minute to walk to school for every 5 degree increase in temperature.
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daily slushie sales the equation for the line of best fit is ( y = 0.8x…
On a day when the high temperature is \(68^{\circ}F\), the stand would likely sell about \(57\) slushies.
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picnic sites the equation for the line of best fit is $y = -\\frac{1}{1…
A picnic site at an elevation of 2,200 feet likely had a high temperature of about 63 degrees yesterday.
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basketball shooting percentage the equation for the line of best fit is…
Oliver can expect his shooting percentage to increase by about \(2.5\%\) for each hour he spends practicing.
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hill street theater the equation for the line of best fit is ( y = 0.8x…
On a day when the theater sells 550 tickets, the snack stand would likely use about 470 ounces of butter.
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deliveries the equation for the line of best fit is ( y=\frac{4}{5}x+\f…
It would likely take Elana about 10 minutes to unload 12 boxes.
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50 - meter freestyle the equation for the line of best fit is ( y = -\f…
The coach predicts team members will swim the 50 - meter freestyle about 3 seconds faster for every 2 additional months on the team.
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weather data the equation for the line of best fit is ( y = -x + 84 ). …
A. A city with a latitude of \(0^{\circ}N\) could expect to have a January high temperature of about \(84^{\circ}F\).
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performance on math quizzes the equation for the line of best fit is ( …
Dan can expect to score about \(60\%\) if he does not spend any time studying.
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juggling practice the equation for the line of best fit is ( y = 0.6x +…
Leslie would likely have a streak of about 9 tosses on the 12th day of practice.
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question 3 of 10 at a store, the probability that a customer buys socks…
B. Buying socks and buying shoes are dependent events.
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story hours the equation for the line of best fit is ( y = 3x + 1 ). ac…
For each additional child at story hour, about 3 more books get checked out.
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question 2 of 10 on the planet kudzu, the probability that a bird is gr…
A. On Kudzu, being female and being green are independent events.
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football practices the equation for the line of best fit is $y = 0.3x -…
During a 115 - minute practice, Vincent would likely drink about 33 fluid ounces of water.
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question 1 of 10 at a high school, the probability that a student is a …
D. \(0.40\)
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basketball games the equation for the line of best fit is ( y=\frac{4}{…
If the player takes 22 shots, he would probably make about 10 baskets.
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january mountain ski resort the equation for the line of best fit is ( …
There would be about 25 skiers on a day with a high temperature of \(0^{\circ}F\).
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the equation for the line of best fit is ( y = -22x + 260 ). according …
Naomi likely had about 260 tortillas when the restaurant opened.
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agility course participants the equation for the line of best fit is ( …
A. A dog that just started training would likely have a race time of about 38 seconds.
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the equation for the line of best fit is ( y = 1.8x + 1 ). according to…
Labrador retrievers typically weigh about 1 pound when they are born.
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question 10 of 10 $p(a)=0.60$, $p(b)=0.30$, and $p(a$ and $b)=0.15$. wh…
C. 0.75
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question 9 of 10 a and b are mutually exclusive events. ( p(a)=0.50 ) a…
C. 0.80
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question 8 of 10 at a pizza shop, 70% of the customers order a pizza, 2…
A. 0.80
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license plate game the equation for the line of best fit is ( y=\frac{3…
The family wrote down about 3 more states with every 4 additional hours of driving.
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tracys words the equation for the line of best fit is y = 4x + 0.75. ac…
A. A word with 11 letters would likely score about 45 points.
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question 7 of 10 you roll two number cubes. let event a = you roll an e…
A. Independent, because the outcome of the first roll doesn't affect the outcome of the second roll.
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wheat farms the equation for the line of best fit is ( y = 2x + 10 ). a…
A 250 - acre farm would likely produce about 510 tons of wheat.
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the equation for the line of best fit is ( y = 0.012x + 0.1 ). accordin…
A puzzle with 1,000 pieces would likely take about 12 hours to complete.
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question 6 of 10 if ( p(a)=0.60 ) and ( p(b)=0.20 ), then ( a ) and ( b…
D. \( P(A\ \text{and}\ B) = 0.12 \)
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question 5 of 10 a video game randomly chooses your car color and type.…
C. The probability of getting a red convertible is 0.08.
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muffin recipes the equation for the line of best fit is ( y = - 0.75x +…
If a recipe had 12 ingredients, Wanda likely would have used it about once in the past year.