統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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question 17 evaluating and solving rational functions mr. ewald decides…
1. \( 41.36 \) 2. \( 50 \) 3. \( y = 5 \)
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a food industry researcher compiled the revenues of several pizzerias. …
# Explicación breve: Observa la barra verde (supreme pizzas) para cada restaurante. La barra más corta indica la menor ganancia. # Respuesta: Taste of New York
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an auto manufacturer tracked the number of vehicles sold by each of its…
\( 3000 \)
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find the area of the indicated region under the standard normal curve. …
D. \(0.9032\)
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find the area under the standard normal curve to the right of ( z = 1 ).
A. \(0.1587\)
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provide an appropriate response. use the standard normal table to find …
A. 1.67
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the fertile soil and long growing season of the southern colonies allow…
Rice that is shipped to be sold to people in Europe, Tobacco sold to English customers.
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which statements describe characteristics of allegory? select three opt…
B. It comments on an abstract theory or historical event, D. It occurs throughout the entire length of a story, E. It contains meanings of social or political significance.
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question 7 of 23 in what way did the printing press most affect the pro…
A. The printing press eliminated the Catholic Church's control over the creation and distribution of Bibles.
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jill writes about different topics in her fashion blog each week. she s…
Fashion trends: \(10\%\), Celebrity fashion: \(60\%\), DIY fashion: \(30\%\)
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fun flips gymnastics offers a variety of classes. they have 6 tumbling …
Tumbling: 24%, Rhythm: 28%, Trampoline: 20%, Beam: 28%
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archaeologists can determine what foods past civilizations ate by analy…
D. For example,
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rick went on a hike with his family in big bend national park. during t…
- Deer and lizards are both modes of the data. - Less than half of the animals Rick saw were lizards.
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pam is making tamales with her sister for a family reunion. they make 1…
- They make more chicken and beef tamales combined than cheese tamales. - They make 4 different kinds of tamales. - Together pork and cheese make up more than half of the tamales.
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pam is making tamales with her sister for a family reunion. they make 1…
$20$
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in his flower garden, brad is growing 6 sunflowers, 14 tulips, 8 lilies…
30
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in his flower garden, brad is growing 6 sunflowers, 14 tulips, 8 lilies…
tulips
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the narrator describes the courtiers as resolving \to leave means neith…
B. The courtiers believe that the plague will never make it into the abbey, and in their arrogance they leave no options for escape.
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it is estimated that 75% of all silent films made before 1929 are “lost…
B. there is still hope that more lost films may be recovered in the future.
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the swift fox once roamed widely across the great plains. ______ extens…
D. However,
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the following text is adapted from willa cathers 1912 novel alexanders …
D. rarely
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when conducting a poll, researchers must account for a number of variab…
A. polls may offer estimations, rather than perfect representations, of public opinion.
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when mary shelleys frankenstein was first published in 1818, many criti…
D. works of literature that are initially poorly received can sometimes be viewed more favorably later on.
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read the sentences. the firefighters battled the blaze using a variety …
D. water faucet
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read the sentences. to ensure they dont dehydrate on long hikes, hikers…
D. to lose water
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read the paragraph. the general opinion among students was that the sch…
B. common
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read the paragraph. my musical taste is eclectic. my favorite genre of …
A. genre
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read the paragraph. then select the correct answer. we often think of c…
asynchronous
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read the paragraph. then select the correct answer. jake always interru…
insensitive
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read the paragraph. then select the correct answer. scientists often ge…
generalize
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question 4 of 10 according to the dictionary, the root \gen\ comes from…
characteristic of a whole group
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question reread the paragraph and then select the correct answer. revie…
a small version of a time
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question read the paragraph. then select the correct answer. historians…
chronicle
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problem of the week problem c math test math 1 dilip has had six tests …
\(78\%\)
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read the excerpt from \the yellow wallpaper.\ john does not know how mu…
The narrator feels an overwhelming responsibility to meet society’s expectations.
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read the excerpt from \the yellow wallpaper\ at night in any kind of li…
The narrator feels imprisoned by her life.
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question 1 25 pts when it comes to transferring money, what does it mea…
Use a PIN, your fingerprint, or face ID to prove it's you # Question 2
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for the following situation, find the average monthly expense that you …
\(877\)
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3. marco designs a spinner wheel that has exactly 4 sections: red, blue…
B. He should increase the area of the red section by decreasing the area of the blue section.
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2. in the venn diagram below, circles s, c, and p represent farms raisi…
J. 19
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1. cameron took 4 tests, and his scores were as follows: 100, 60, 80, a…
D. 90
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multiple choice which of the following best describes how a policy that…
D. Less restrictive
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luiza planted 100 seeds for each kind of crop in her garden. however, o…
A bar graph with the x - axis labeled "Crop" (categories: Pumpkin, Squash, Lettuce, Tomato, Zucchini) and the y - axis labeled "Number of seedlings" (values 0 - 100). Bars are dra…
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if there is a history of depression in your family, does that mean that…
A. No
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read this passage. \who invented the hamburger?\ many different culture…
"These small changes, made over centuries, contributed to one of the most popular foods in the world: the mighty hamburger."
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you have been asked to write an essay for or against subprime auto loan…
The fourth option (Thesis statement: Subprime auto loans trap low - income people in a cycle of debt and should be more heavily regulated. Supporting ideas: Subprime auto loans ar…
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does this mean that everyone who experiences stress will get depression…
A. No
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daily sunlight and plant growth a biologist measures the average hours …
\(14\)
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use this dictionary entry to answer the question. -less (suffix) withou…
impossible
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a swimming pool has 142 gallons of water in it. the swimming pool drain…
There are 94 gallons of water in the swimming pool after 6 minutes.
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question 23 which of the following captures the meaning of ethical (or …
The normative view that whether an action is right or wrong depends on the society or culture in which the action is to be performed.
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a bathtub has 124 ounces of water in it. arelli fills the bathtub at a …
There are 300 ounces of water in the bathtub after 11 seconds.
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divide ( x^{3}-3x^{2}-10x + 24 ) by ( x - 2 ). step 1: fill in the miss…
The remainder is \(0\) (since the last sum in synthetic division is \(0\)), which means \(x - 2\) is a factor of \(x^{3}-3x^{2}-10x + 24\).
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a researcher is studying the effect of genetically modified (gm) and no…
B. A stratified randomized design. Divide the lambs into males and females. Within each group, randomly assign the GM diet to one half and the nGM diet to the other half.
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a market research firm is studying the effects of price and type of pac…
A. A completely randomized design. Randomly assign the nine combinations of price level and packaging type so that three stores use each combination.
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the quality - control manager of a large factory is concerned about the…
A. There is no blocking variable, and incentive plans will be randomly assigned to the workers.
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eighteen individuals who use a particular form of social media were ass…
E. The study was not comparative—only one treatment was used.
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an experiment will be conducted in which 20 pepper plants are randomly …
E. The 20 plants in the two groups
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a local employer asked for help selecting a new type of desk chair. thi…
E. It is a well - designed experiment because there is random assignment, replication, and comparison of at least two treatment groups.
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researchers are investigating the effect of ph level in water on the br…
A. Randomization tends to minimize the effects of uncontrolled variables, such as water temperature, so that such factors are not confounded with the treatment effects.
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mr. ikeler conducted a study investigating the effectiveness of a new m…
D. The score on the achievement test
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question 4 (2 points) the japanese have a cultural concept called omote…
B. False
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value: 1 what does the policy of laissez faire mean? o a. more governme…
B. Less government involvement in the economy.
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philosophers note that many people have an intuitive sense that while w…
C. One potential means of justifying opposition to lying is Pallikkathayil’s argument that we have an obligation to respect other people’s agency that entails a commitment to trut…
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philosophers note that many people have an intuitive sense that while w…
D. Many people have an intuitive sense that lying is permissible in some circumstances but lack a principled way to identify those circumstances, and Pallikkathayil's argument may…
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\during the 2007 - 2010 financial crisis, the united states furnished b…
A. predicated on
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question 24 (2 points) from our fireside chat, why might a culture adop…
So that everyone in the community has a meaningful and useful role that strengthens social and cultural bonds.
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question 10 (2 points) what do anthropologists call the social relation…
Mode of production
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production work use the information below to answer the question. in ma…
enroll in industrial arts courses
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question 3 (2 points) in the feast, what was the primary mode of exchan…
Communal feasting
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one main issue in studying global social inequality is: most countries …
- First question: Social inequality is relative and therefore, difficult to compare across cultures. - Second question: Karl Marx.
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one main issue in studying global social inequality is: social inequali…
First question: Social inequality is relative and therefore, difficult to compare across cultures. Second question: Downward mobility
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after families, schools are the most important and obvious means throug…
B. social norms, values, and beliefs
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9 when analyzing the results of her experiment, pearl provided the foll…
positive correlation
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8. yesenia performed an experiment on the motion of a pendulum. her dat…
sinusoidal function
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7 evan performed an experiment testing how different wind speeds affect…
$-0.25s + 9$
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lesson 19: rational equations and variation lesson 19: rational equatio…
299
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set a contains 9 letters and 6 numbers. set b contains 8 letters and 3 …
\(16\)
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the following data represent the number of drivers involved in a fatal …
C. The dark is more dangerous in normal weather because the conditional probability of a fatal crash in normal weather is greater than that of a fatal crash in snow/sleet.
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according to a recent study, 9.2% of high school dropouts are 16 - to 1…
\(0.6304\)
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according to a research agency, in 31% of marriages the woman has a bac…
\(0.756\)
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suppose that e and f are two events and that n(e and f)=210 and n(e)=49…
\(0.429\)
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suppose that e and f are two events and that ( p(e \text{ and } f)=0.3 …
\(0.6\)
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question 9 of 10 when flipping a coin onto a table, it is very unlikely…
There is a positive association between number of pennies and edge percentage, there is a nonlinear pattern in the scatterplot, and there don't appear to be any points that depart…
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question 8 of 10 as an avid fisherman, nick was curious if the advertis…
a. \(27.76\%\) b. \(6.63\) pounds
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cture complete the two - way table that shows survey traveled on an air…
| Traveled on an Airplane | Yes | No | Total | | --- | --- | --- | --- | | Teenager | \(90\) | \(62\) | \(152\) | | Adult | \(184\) | \(16\) | \(200\) | | Total | \(274\) | \(78\)…
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using two-way tables the two - way table shows the results what percent…
29.8% of students dislike pop music. 59.1% of students like both hip hop and pop music.
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structure complete the two - way table. plan to attend school dance yes…
| Plan to Attend School Dance | Yes | No | Total | |--|--|--|--| | Male | \(38\) | \(46\) | \(84\) | | Female | \(88\) | \(24\) | \(112\) | | Total | \(126\) | \(70\) | \(196\) |
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suppose that the age of students at george washington elementary school…
a. \(X - U(5,11)\) b. \(\bar{X}-N(8,0.245)\) c. \(0.2939\)
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question 8 of 10 identify the explanatory variable for the following re…
The explanatory variable is the year in college, because year in college might help predict residential status.
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question 7 of 10 the number of text messages sent and the number of pho…
Either variable could be the explanatory variable because each one could be used to predict or explain the other.
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identify the explanatory variable for the following relationship: wheth…
The explanatory variable is the smoking status, because smoking status might help predict whether or not a person develops lung cancer.
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the two - way table shows the results of a survey. find and int own a c…
People who own a cat: $290$; People who do not own a cat: $306$; People who own a dog: $312$; People who do not own a dog: $284$
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question 5 of 10 are adults without kids in the house more likely to ha…
There is an association between number of children and pet ownership because the distribution of pet ownership is not the same for each category of number of children. In other wo…
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students have set academic goals. students have not set academic goals.…
- Students who set academic goals: \(310\) - Students who did not set academic goals: \(118\) - Males who responded: \(232\) - Females who responded: \(196\) - Total students surv…
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the height and arm span of a sample of 50 teenagers identify the explan…
Either variable, height or arm span, could be the explanatory variable, because each could be used to predict or explain the other.
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note: for any part below, if it cannot be answered, enter dne. read the…
a) \(0.1330\) b) \(0.1723\) c) \(0.2254\) d) \(0.5323\) e) \(99.8822\)
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based on historical data, your manager believes that 29% of the company…
\(0.0344\)
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migraine headaches a study found that the mean number of days per month…
\(0.85\) (rounded to two decimal places)
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migraine headaches a study found that the mean number of days per month…
$0.99$