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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find the mode of the data set. 6.12 8.37 5.98 6.55 6.21 7.47 6.55 7.48 …
\(6.55\)
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find the mean of the data set. 283 351 181 235 298 192 341 306 261 (1 p…
272
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a group of people participated in a movie preview and the ages of the p…
A. 36
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a golfer hits a golf ball. the graph of ( h(t) ) below shows the height…
- The golf ball reaches a maximum height of \(120\) feet after \(4\) seconds. - When the golf ball was hit, it was \(0\) feet above the ground. - The ball lands after \(8\) second…
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question #1 what type of rhetorical appeal is used in the following sta…
Ethos appeal # Question #2
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one of the wagers in roulette is to bet that the ball will stop on a nu…
\(-0.37\)
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5. the linear regression function for the given data is $y = 3.93x - 11…
A linear model is appropriate for the data. The correlation coefficient \(r = 0.8241\) (a relatively strong positive correlation) and the scatter - plot shows a general linear tre…
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5. the linear regression function for the given data is ( y = 3.93x - 1…
A linear model is appropriate for the data.
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4. the linear regression function for the given data is ( y=-x + 19.7 )…
| \(x\) | \(y\) | Predicted Value | | ---- | ---- | ---- | | \(2\) | \(17\) | \(17.7\) | | \(4\) | \(16\) | \(15.7\) | | \(6\) | \(15\) | \(13.7\) | | \(8\) | \(12\) | \(11.7\) | …
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academic vocabulary input in·put (noun) paragraph 6 meaning or suggesti…
Arts: Linguistics input: Meaning: information or suggestions given to someone; Example: I might want my teacher's input when I am confused about a difficult concept in class. auto…
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asian americans and the civil rights movement overview of asian rights …
a supporter of civil rights across ethnic lines
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8. maggies teacher said she needs more practice forging the traits, app…
characterization
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the abrupt sound of my dads voice calling to my mother surprised me. mo…
The clues "surprised me" and "sudden" help understand what "abrupt" means.
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the abrupt sound of my dads voice calling to my mother surprised me. mo…
unexpected and quick
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a basketball player averages 13.5 points per game. use this rate to fin…
\(94.5\)
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16. from the deck of the starship, they gazed in awe at the empty black…
16. void 17. Malignant 18. buffoon 19. spirited 20. orthodox 21. virtual 22. Malignant 23. scurrying 24. wayward 25. wince
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company xyz know that replacement times for the quartz time pieces it p…
\(12.6\)
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select the sentence with a sensory detail that describes a sight. ron h…
Arriving at the coast, he gazed at the vast expanse of surging green waves before him.
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the noon temperatures (in fahrenheit) for two cities were recorded over…
(a) City A (b) City A (c) City B (d) City A
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the noon temperatures (in fahrenheit) for two cities were recorded over…
(a) City A (b) City A (c) City B (d) City A
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company xyz know that replacement times for the dvd players it produces…
\(0.0187\)
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he loved splendour, magnificence, and profusion excess in all things, a…
3. (1) because the text shows Louis XIV made courtiers (elite) dependent on him. 4. (3) because the passage says the spending led to confusion and threat of ruin.
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two english classes with the same number of students took a final exam.…
(a) Class B (b) Class A (c) Class B (d) Class B
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the heights of adult men in america are normally distributed, with a me…
a) \(z\approx2.09\) b) \(z\approx2.61\) c) The 5 - foot 11 - inch American woman
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the number of potholes in any given 1 - mile stretch of freeway pavemen…
81.50
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the television show degenerate housewives has been successful for many …
\(P(\text{none}) = 0.0341\) \(P(\text{at least one})=0.9659\) \(P(\text{at most one})=0.1611\) \(P(\text{at most one})\) is not unusual, so \(\text{no, it is not wrong}\)
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a group of people were asked if they had run a red light in the last ye…
\(\frac{469}{883}\approx0.531\)
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practice midterm exam score: 7.5/17 answered: 10/17 × question 10 score…
\(0,1,3,3,3,5,6\)
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practice midterm exam score: 6.5/17 answered: 7/17 question 8 the boxpl…
\(25\)
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score: 6/17 answered: 6/17 question 7 the boxplot below shows salaries …
Jacy; \(\$30000\)
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data was collected for 40 randomly selected trees growing in the median…
\(99\)
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question 5 data was collected for a sample of organic snacks. the amoun…
\(47\)
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practice midterm exam score: 2/17 answered: 2/17 question 3 in a study,…
Stratified
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practice midterm exam score: 0/17 answered: 0/17 question 1 a political…
Sample size: 33 Population size: 87
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production work use the information below to answer the question. in ma…
to boost their earnings
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suppose the results indicate that the null hypothesis should be rejecte…
Choose a 0.01 significance level, instead of a 0.05 significance level.
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answer the following true or false: suppose a hypothesis test was perfo…
true
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answer the following true or false: if the p - value is 0.003 and the l…
true
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answer the following true or false: suppose a sample size of 103 was us…
false
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according to the graph, what was the rate of change between february an…
\(\frac{14}{3}\text{ minutes per month}\)
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joy asked 60 eighth graders whether they would prefer to study french o…
\(10\)
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at a pancake breakfast fundraiser, guests were asked to choose either o…
\(56\)
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the manager of lolos yogurt asked some customers whether they prefer va…
Customers are more likely to prefer chocolate because \(0.55\) (or \(\frac{11}{20}\)) of customers surveyed prefer chocolate and \(0.45\) (or \(\frac{9}{20}\)) of customers survey…
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un living nazim hikmet 1994 1 living is no laughing matter: you must li…
The two contrasting images suggest that living is a serious business. One image (living as an "occupation" like a squirrel) shows the need to be fully engaged in the present act o…
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choose the correct answer. which statement best describes what the term…
A. Only a small percentage of Americans were wealthy
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comparing real - world ratios ratios in real - world situations pre - a…
The liquid with the least density is olive oil. The liquid with the greatest density is glycerin.
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refer to the accompanying boxplots that are drawn on the same scale. th…
D. It appears that weights of U.S. Army males increased from 1987 to 2015.
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find the range, variance, and standard deviation for the given sample d…
B. The variance of the sample data cannot be calculated
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1. according to the author, what is one reason people love pizza? a piz…
1. A. Pizza is easy to eat. 2. D. tasty 3. C. Pizza is popular for many reasons. 4. B. as tasty as pie
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the counselor picked a random sample of 160 senior scores and recorded …
The estimated probability that a senior in the random sample scores less than \(20.8\) on the ACT is \(0.65\)
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definition options (5 of 5) belonging to a place or land scolding, puni…
- chastening: scolding, punishing or correcting - native: belonging to a place or land - resound: to be filled with sound - slaughter: to kill many violently - tread: to walk over
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the counselor picked a random sample of 160 senior scores and recorded …
1. The proportion of students at High School that scored less than \(20.8\) on the ACT is \(0.65\). 2. To estimate the probability that a senior in the random sample scoring less …
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how does the connotation of house differ from home? (1 point) house ref…
House is more about the physical structure, while home includes feelings and relationships.
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the counselor picked a random sample of 160 senior scores and recorded …
\(0.65\)
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a researcher wishes to examine the relationship between years of school…
When amount of schooling increases by one year, the number of pregnancies decreases by 2.
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annual high temperatures in a certain location have been tracked for se…
\(y = 2.34x+19.61\)
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what economic approach did reagan advocate for during his presidency? s…
trickle - down economics
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grade level: 9 objective: read and analyze langston hughess poem mother…
The speaker is a mother. She is speaking to her son.
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highlight the word or phrase that makes the thesis statement wordy. alt…
safety and security
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read the following quote from charles grandison finney, and then answer…
to encourage people to fight against sin
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what prompted dr. martin luther king jr. to communicate through written…
lack of access to other means
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why was the american indian movement distinct from other civil rights m…
It sought greater autonomy rather than blanket equality.
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dr. kings framework to protests emphasizes what as a nonviolent means o…
negotiation
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read the excerpt from part one of trifles. hale. \why—where is he?\ say…
indicating
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read the excerpt from part two of trifles. county attorney. oh, i guess…
It is verbal irony because the County Attorney means precisely the opposite of what he is actually saying.
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read the excerpt from the great gatsby. twenty miles from the city a pa…
B. a sense of artificiality in the world the narrator finds himself in.
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what message is spiegelman trying to convey in the panel? the good stam…
Even in times of danger and despair, the individuals placed an emphasis on a tidy physical appearance. By being presentable and appearing able - bodied, the individuals still had …
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dr. kings framework to protests emphasizes what as a nonviolent means o…
negotiation
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a patient is not allowed to have more than 624 milligrams of cholestero…
B. The point can be \((1,1)\). The point \((1,1)\) means that a patient had 1 egg and 1 ounce of meat during a day. This is within a diet of eggs and meat.
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sort the words according to the meanings of their shared roots paramete…
- follow: consequence, sequential - middle: intermediate, medieval, mediocre, median - beside: parameter, comparison
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egypt nationalized the suez canal during the suez crisis. what does thi…
The Egyptian government took control of the canal.
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word meaning complete these tasks using spelling words. 1. write words …
1. a. note (or other words like "quote", "vote" etc. that rhyme with "wrote") b. coldest (or "holdest" if it's a made - up rhyme, but "coldest" is a more standard word with the -o…
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18. else has a gift card to a local movie theater. the graph shows the …
a. The equation is \(y=-8x + 50\) (where \(y\) is the gift - card balance and \(x\) is the number of movies seen). b. The \(y\) - intercept is \(50\), which means the initial bala…
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the arms race meant that once the united states built hydrogen bombs, t…
the Soviet Union built them too.
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19. trish is ordering travel mugs from a website that charges a certain…
a. The equation is \(y = 8.75x+5.99\). b. The \(y\) - intercept (\(5.99\)) means the flat - rate shipping cost. c. The slope (\(8.75\)) means the cost per mug.
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in english, cuidadoso means: nosy understanding helpful careful
careful
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what does the term \de-stalinization\ mean? removing stalins name chang…
changing Stalin's policies
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in english, ropa means: rope grave photo clothes
clothes
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evidence relevance means it: a. comes from respected sources b. support…
B. Supports claims
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researchers asked 150 families whether or not they were homeowners and …
(a) \(46\%\) (b) \(74\%\)
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i can write equations and represent linear relationships. 8.51 18. elys…
a. The equation is \(y=-8x + 50\). b. The \(y\) - intercept is \(50\). It means the initial amount of money on the gift card. c. The slope is \(-8\). It means the gift - card bala…
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a group of 250 middle school students were asked whether they prefer pl…
(a) \(44\%\) (b) \(48\%\)
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in a survey, 300 shoppers were asked whether they have access to a comp…
(a) \(44\%\) (b) \(38\%\)
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a patient is not allowed to have more than 588 milligrams of cholestero…
B. The point can be \((1,1)\). The point \((1,1)\) means that a patient had 1 egg and 1 ounce of meat during a day. This is within a diet of eggs and meat.
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in the following excerpt from beowulf, a monster named grendel attacks …
A. The epic structure of *Beowulf* allows this excerpt to introduce the hero in a gradual manner that builds suspense.
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what should you include when using imagery in your speech? sensory deta…
sensory details
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the bar graph on the right shows the average cost of room and board at …
A. The linear model is better.
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a football is thrown by a quarterback to a receiver. the points in the …
The football's maximum height is \(13\) feet. The distance of the football from the quarterback when it reaches its maximum is \(6\) yards.
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the root bel means war. what does the word rebellion mean? the act of w…
the act of rising up in armed opposition to the government
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a standard six - sided die is rolled. which of the following calculatio…
\(\frac{1}{3} eq\frac{1}{2}\times\frac{1}{2}\) (the option where \(\frac{1}{3} eq\frac{1}{2}\times\frac{1}{2}\) is the correct one, but since the options are not clearly labeled…
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the root puls means drive or push. what does the word repulsive mean? d…
causing others to move or stay away
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a standard six - sided die is rolled. which of the following calculatio…
The formula to check independence is \(P(A\cap B)=P(A)\times P(B)\). Let \(A\) be the event of rolling a number greater than 3 (\(P(A)=\frac{3}{6}=\frac{1}{2}\)), \(B\) be the eve…
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the root bene means good. what does the word benevolent mean? charitabl…
charitable or generous
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read the quotations below from ray bradburys fahrenheit 451. match each…
1. "How like a mirror, her face...": Through others we learn about ourselves. 2. "We need to be really bothered...": Discomfort can show that you care about something meaningful. …
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for the data set shown by the table, a. create a scatter plot for the d…
exponential
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cupid and psyche from greek mythology once upon a time, through that de…
C. Both texts describe Cupid as using arrows to cause people to love.
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a group of 2431 students were surveyed about the courses they were taki…
I. \(215\) II. \(393\) III. \(356\) IV. \(312\) V. \(242\) VI. \(286\) VII. \(331\) VIII. \(296\)
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cupid and psyche from greek mythology once upon a time, through that de…
C. The poem describes Cupid's arrows as bringing joy or sorrow.
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the graph at the right shows the relationship between rainfall during t…
The constant of proportionality is \(\frac{5}{7}\), the graph is a straight line through the origin, and the point \((28,20)\) means the type of plant grows \(20\) mm when it rain…
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1. which amendment to the united states constitution established the me…
B. 14th Amendment