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Q: Based on a survey, assume that 46% of consumers are comfortable having drones deliver their…

A: In studying the hypothesis, there are some notation and concepts which we have to know. If we select…

Q: In a group of 10 people, three $5 prizes will be given. How many ways can be the prizes be…

A: According to the question, there are 10 people in the group. That is, n=10 Three $5 price are…

Q: . Which probability is relevant for determining whether 4 is a significantly high number of…

A: From the given information, X  P(X) 0  0.187 1  0.407 2  0.258 3  0.119 4  0.028 5  0.001

Q: The indicated IQ score, x, is

A: Let X represents the distribution of IQ scores. Given that X~N(mean= 100, SD= 15), then Z = (X -…

Q: Among various ethnic groups, the standard deviation of heights is known to be approximately three…

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Q: State the conclusion for the test. O A. Fail to reject Ho. There is not sufficient evidence to…

A: A study was done on protoctored and nonproctored tests.

Q: 6. The average value of f(x, y) over the rectangle R = {(x,y) | a<x< b, c<ys d} is 1 fave %3D (6 –…

A:

Q: The random variable x represents the number of phone calls an author receives in a day, and it has a…

A: X represents the number of call received in a day.  So, X can take non-negative integer values.…

Q: When purchasing bulk orders of batteries, a toy manufacturer uses this acceptance sampling plan:…

A: Binomial distribution: In a series of n independent trials, for each trial if the probability of…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: compute sample size ( n ) = n=(Z/E)^2*p*(1-p)

Q: A survey showed that 84% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: Given data, n=18 p=84%=0.84 P(X≤1)=?

Q: lumn A Column B 1. a. -5) | b. -4) used twice 1. x + 7x +6 C. x+6) used twice 2. d. (2x-1) 2. x² -…

A: Solve equation and match with column two.

Q: A newspaper published an article about a study in which researchers subjected laboratory gloves to…

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Q: a, How many of the 3058 subjects used at least one prescription medication? 2688 (Round to the…

A:

Q: For 100 births, P(exactly 55 girls) = 0.0485 and P(55 or more girls) = 0.184. Is 55 girls in 100…

A:

Q: Given a normal distribution with μ = 30 and o=7, find (a) the normal curve area to the right of x =…

A: It is given that X follows the normal distribution with mean and standard deviation as:

Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 436 green peas…

A: n = 436+157 = 593

Q: Based on a poll, among adults who regret getting tattoos, 11% say that they were too young when they…

A: We have to use Binomial distribution.   Binomial distribution : Suppose X be the binomial random…

Q: Assume that random guesses are made for 2 multiple-choice questions on a test with 2 choices for…

A: There are two choices for a question one of them is correct therefore probability of guess to be…

Q: Find the regression equation, letting the first variable be the predictor (x) variable. Find the…

A: The data shows the internet users per 100 and Noble laureate rate for a country.

Q: The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A:

Q: When studying radioactive material, a nuclear engineer found that over 365 days, 1,000,000…

A:

Q: 相 3. Let S = and T = be ordered basis for R. Let v = 5 (a) Find the coordinate vectors of v with…

A:

Q: 2. An open-top box is to be made from a 24 in. by 36 in. piece of cardboard by removing a square…

A: An open box is to be made from a 24in. by 36 in. piece of cardboard by removing a square from each…

Q: A total cost function (in dollars) is given by C(x) = 569 + 3x + 0.89x². Use differentials to…

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Q: The test statistic of z= 1.77 is obtained when testing the claim that p # 0.291. a. Identify the…

A: This is a example of one sample test for population proportion.  Given Alternative hypothesis is two…

Q: urgent please

A: Step 1:Given:2.96 6.52 6.02 5.50 20.49 7.53 11.98 20.46 11.51 17.51Sample size, n = 10 Step 2:To…

Q: When two births are randomly selected, the sample space for genders is bb, bg, gb, and gg. Assume…

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Q: You are designing an access ramp for a building. Construction guidelines indicate that the angle of…

A: The angle of elevation of the ramp should be approximately 5°.The total rise of the ramp needs to be…

Q: When a computer disk manufacturer tests a disk, it writes to the disk and then test tests it using a…

A: Given: λ=2 The number of errors on a disk has a Poisson distribution. The expected number of error…

Q: Eight squirrels were found to have an average weight of 9.7 ounces with a sample standard deviation…

A:

Q: Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and…

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Q: An administrator claims that for a particular school, commuters drive on average more than 13.3 mil…

A: Population mean =13.3Sample size n=85Sample mean =13.6Standard deviation=1.5NOTE: according to…

Q: For the following scenario, choose the appropriate statistical test. SCENARIO: A survey collected…

A: Hypothesis testing is an act in statistics whereby an analyst tests an assumption regarding a…

Q: In a recent year, an author wrote 174 checks. Use the Poisson distribution to find the probability…

A: Solution :-

Q: In certain conditions, the air temperature drops about 3.5°F for each 1,000-foot rise in altitude.…

A: Under certain air conditions, the air temperature drops about 3.6degreesF for each 1,000-foot rise…

Q: Given m||n, find the value of x. to 23

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Q: Assume that a procedure yields a binomial distribution with n= 6 trials and a probability of success…

A: we if random variable X ~ B( n, p) then, P[X = x] = nCx px (1 - p) n - x ,  X = 0,1,2, ..., n…

Q: 11. Aviation The number of active certified commercial pilots has been declining since 1980, as…

A: Given: The below table is given: year (x) Total (y) 1980 182097 1985 155929 1990 149666…