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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a statistics teacher claims that, on average, 20% of students in his cl…
- Test Statistic: \(65.3047\) - Degrees of Freedom: \(4\) - p - value: \(0.0000\) - Decision Rule: Reject the null hypothesis - Did something significant happen: Yes - There is en…
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read the following passage from \the caged bird.\ but a bird that stalk…
to walk with measured, stiff strides
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which technique is used in the following passage from the great gatsby?…
B. imagery - vivid descriptive language designed to appeal to the five senses
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some common affixes prefixes in: also il-, im-: not, without e.g.: infe…
Undefined means not clear or defined.
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subject - verb agreement subject - verb agreement means that the subjec…
The tree is rotten on the inside.
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denotation: the literal meaning of a word - can be found in the diction…
B. positive
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white light, such as from the sun, contains the whole spectrum of color…
For the first question: True. For the second question: complementary.
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typically, what is a pitch followed by? game concept document (gcd) gam…
For the first question: Game Design Document (GDD) For Question 15: Game Design Document
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score: 0 of 1 point a) use exponential regression to find an exponentia…
\(f(x)=526.42\times1.01^{x}\), \(g(x)=4.91x + 526.09\)
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persuasive text: cross comparison general government necessary for all,…
Elizabeth’s is straightforward, blunt; Franklin’s is more subtle, with anecdotes and jokes.
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question 17 2 points when thoreau says in esistance to civil government…
B. people serve the government with their bodies, not their consciences
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multiple choice question what did the term arab come to mean as islam s…
a speaker of Arabic
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a person wants to purchase a dvd drive for his laptop computer. assume …
\(0.3840\)
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you want to purchase a dvd drive for your laptop computer. assume that …
\(0.789\)
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assume that you are drawing two balls without replacement from an urn t…
\(0.172\)
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imagine a subject is taking part in a study to test a new cold medicine…
B.
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assume that a softball player has 0.72 probability of getting a hit in …
\(0.0158\)
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we roll a pair of dice two times. find the probability that a total of …
\(\frac{1}{81}\)
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assume that 2 cards are drawn from a standard 52 - card deck. find the …
\(\frac{1}{8}\)
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résumé or cv? when applying for a new job, you may be asked to submit a…
Résumés and CVs are similar, but a CV provides a more in - depth look at a person's qualifications for a job.
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the brand manager for a brand of toothpaste must plan a campaign design…
\(n = 54\)
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the brand manager for a brand of toothpaste must plan a campaign design…
\(n = 84\)
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you are the operations manager for an airline and you are considering a…
\(2963\)
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a genetic experiment with peas resulted in one sample of offspring that…
\(0.235 < p < 0.305\)
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a random sample of 863 births in a state included 429 boys. construct a…
$0.464 < p < 0.530$
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use the sample data and confidence level given below to complete parts …
$E = 0.006$
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khanna reads, \germany under adolf hitler, italy under mussolini, and s…
Consult a dictionary, review each definition, and determine which definition makes sense in context.
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use the sample data and confidence level given below to complete parts …
$0.611 < p < 0.663$
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read the stanza from \invictus\ it matters not how strait the gate, how…
narrow
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use the sample data and confidence level given below to complete parts …
$E = 0.026$
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use the sample data and confidence level given below to complete parts …
\(0.637\)
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express the confidence interval (0.017,0.093) in the form of \\( \\hat …
\(0.055 - 0.038<p<0.055 + 0.038\) So, \(0.017<p<0.093\) (Note: This is just re - stating the original interval in the required form. The values of \(\hat{p}=0.055\) and \(E = 0.03…
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express the confidence interval ( 0.333 < p < 0.999 ) in the form ( hat…
$\hat{p}\pm E = 0.666\pm0.333$
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find the critical value ( z_{alpha / 2} ) that corresponds to the confi…
\(1.34\)
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a magazine provided results from a poll of 1000 adults who were asked t…
The value of \(\hat{p}\) is \(0.11\). The value of \(\hat{q}\) is \(0.89\). The value of \(n\) is \(1000\). The value of \(E\) is \(0.05\). The value of \(\alpha\) is \(0.05\).
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question 9 when you flip a coin, what is the probability that it will c…
\(\frac{1}{4}\) (corresponding to the option \(1/4\))
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read these lines from \invictus.\ beyond this place of wrath and fears …
the misery of death
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a survey of 33 adults found that the mean age of a persons primary vehi…
The 99% confidence interval for the population mean is $(5.24,5.96)$ and it is a z - interval.
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a college professor wonders about the relationship between a students a…
In general, older students have earned more college credits. The association is a strong one.
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amanda sells model airplanes online, and she would like to tell would -…
57
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a. in a study of 125 tourists, 45 like to travel to paris. find p(hat) …
a. $\hat{p}=0.36$, $\hat{q}=0.64$ b. $\hat{p}\approx0.183$, $\hat{q}\approx0.817$
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shinto, meaning \the way of the spirits,\ is the name of the formal sta…
A. Animism can be seen in Shinto beliefs.
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find ( z_{alpha/2} ) for the ( 84% ) confidence interval (draw the grap…
\(z_{\alpha/2}\approx1.41\)
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questions to 1. what is the broad topic? • broad means that the topic i…
What words should I use to help the reader best understand the message?
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questions to 1. what is the broad topic? • broad means that the topic i…
What are the key components that will make this the best approach to informing our audience?
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1. what is the broad topic? • broad means that the topic is expansive 2…
How do we narrow down the broad topic?
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find for the 95% confidence interval (draw the graph and show all your …
The critical \(z\) - values for a \(95\%\) confidence interval are \(z=-1.96\) and \(z = 1.96\).
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questions to ask when develop 1. what is the broad topic? • broad means…
What is the broad topic?
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the table shows the number of students in each grade at canyon middle s…
60
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assume that 2 cards are drawn from a standard 52 - card deck. find the …
\(\frac{1}{4}\)
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assume that 2 cards are drawn from a standard 52 - card deck. find the …
\(\frac{25}{102}\)
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sketch the graph or use a graphing utility to determine which of the fo…
Two of the planes are parallel, which means there are no solutions.
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in the comics club, \\( \\frac { 1 } { 3 } \\) of the members draw thei…
\(8\)
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directions: simplify each of the expressions below. according to the co…
1) \(5\) 2) \(5\) 3) \(0\) 4) \(14\) 5) \(17\) 6) \(10\) 7) \(2\) 8) \(7\) 9) \(0\) 10) \(23\) 11) \(14\) 12) \(20\) 13) \(12\) 14) \(10\) 15) \(3\)
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a teacher counted the number of times that students went down the slide…
22
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people on a whale - watching trip compared the number of whales they sa…
16
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for a math project, a class wrote down the number of pets that each stu…
28
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the word juncture contains the root junc. what does the root junc mean?…
join
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the word compensate contains the root pens. what does the root pens mea…
weigh out or distribute
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florence picked flowers from her garden to make a bouquet. she kept tra…
\(3\)
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sue works at scoops ice cream shop. the frequency table shows how many …
$2$
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the word biography contains the root bio. what does the root bio mean? …
life
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miles is buying a new wristwatch for his mom. he researches three watch…
Timeless Lady
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mr. oreillys class collected canned food to donate to charity. they lis…
\(31\)
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wanderlust travel agency asked customers when they plan to take their n…
\(34\)
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the word antecedent contains the root cede. what does the root cede mea…
go or yield
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which of the following situations would be most appropriate for using a…
Measure participants' blood pressure before and after a treatment.
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its the first day of school, and mr. wiley wants to get to know his stu…
blue
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the word diction contains the root dict. what does the root dict mean? …
say or declare
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mariana knits items to sell at craft fairs. she made this frequency tab…
\(12\)
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the fifth - grade class at bennett school voted on what they wanted to …
$28$
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to test the effectiveness of a new treatment, a clinician measures chol…
\(0.0003\)
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andy owns the mega melted sandwich food truck. on monday, he used a fre…
\(168\)
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to test the effectiveness of a new treatment, a clinician measures chol…
8
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the word benefactor contains the root bene. what does the root bene mea…
good
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the state of california has studied a large population of pregnant wome…
(a) \(\mu_{\bar{x}} = 1.70\) (b) \(\sigma_{\bar{x}}\approx0.24\)
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mr. baxter paints houses. he wanted to know the most popular paint colo…
ivory
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the word evacuate contains the root vac. what does the root vac mean? p…
empty
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during a wisdom teeth removal procedure, 1, 2, 3, or 4 wisdom teeth are…
(a) \(\mu_{\bar{x}} = 2.63\) (b) \(\sigma_{\bar{x}}\approx0.19\)
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carson went hunting for bugs in his backyard. he recorded the types of …
\(6\)
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the word facility contains the root fac. what does the root fac mean? s…
do or make
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dustin asked each person on his basketball team to choose a meal for th…
\(3\)
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easy eats diner is a large restaurant chain. after paying for a meal at…
(a) \(\mu_{\overline{x}} = 4.50\) (b) \(\sigma_{\overline{x}}\approx0.51\)
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the fifth - grade students at seaside elementary voted for their favori…
sack races
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the holloway family runs a vegetable stand. mr. holloway recorded the v…
\(6\)
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the word missile contains the root miss. what does the root miss mean? …
send
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owen volunteered to bring hot dog toppings to the neighborhood barbecue…
\(5\)
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the word photograph contains the root photo. what does the root photo m…
light
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the word support contains the root port. what does the root port mean? …
carry
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martina is at the grand opening celebration of a supermarket. she spins…
(a) \(9:1\) (b) \(1:9\)
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hans is playing a carnival game. he is blindfolded while he throws a da…
(a) \(5:1\) (or \(5\) to \(1\) or \(\frac{5}{1}\)) (b) \(1:5\) (or \(1\) to \(5\) or \(\frac{1}{5}\))
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latoya won a charity raffle. her prize will be randomly selected from t…
(a) \(4:5\) (b) \(5:4\)
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to test the effectiveness of a new treatment, a clinician measures chol…
\(6\) (the third option)
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look at the statistics in the table. which generalization is most accur…
Women are more likely than men to support Democrats (Obama).
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to test the effectiveness of a new treatment, a clinician measures chol…
$2$
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which of the following statements is not true? the two - dependent - sa…
The two - dependent - sample test similar to the one - sample test.
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each day, for several weeks, a food bank recorded the number of people …
(a) \(95\) (b) \(80\) (c) \(88\)
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botanist measured the heights (in cm) of several plants of a certain sp…
(a) \(30\) (b) \(55\) (c) \(45\)
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question 1 which of the following options is suitable for a two - depen…
Compare the pre - training and post - training scores of employees in a leadership program.
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what percentage of the shape is blue? write your answer using a percent…
30%