Cxaliple 10.19 The standard deviation of a certain population is about 5 units. How large a simple Tandom sample should be if the standard error of the sample mean is to be 1? How large it should be for the standard error of 0.1?

Q: 7 sprinters have made it to the Olympic finals in the 100-meter race. In how many different ways can…

A: Given,7 sprinters have made it to the olympic finals in the100 meter race .

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Q: (d) Find P(A|A N B). (e) Find P(A N B|A U B).

A: It is given that P(A) =0.4, P(B)=0.2 and P(A∩B)=0.1.

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Q: Suppose that a student collects sample data on how long (in minutes) it takes students to be helped…

A: Here's, mean is 7.6 and margin of error is 1.6. And confidence interval is ( 6.0, 9.2 ).

Q: A dormitory accommodates 50 students. The parking garage seems to have a capacity of 30 vehicles.…

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Q: 2.3 BP petrol is to be stocked in a bulk tank once at the beginning of each week and then sold to…

A: The answer is as follows

Q: How many 4-digit combinations can be made from the digits 0-9?

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Q: 2.1 Solve the below problem (show all calculations). Let Y, and Y, be random variables with joint…

A: Note: In case of multiple questions, answer to first question will be provided as per the…

Q: 9. Find the minimum sample size needed to be within a margin of error of 2% of the population…

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Q: A. Determine whether the distribution represents a probability distribution. Explain your answer. 7.…

A: As per our guidelines we are suppose to answer only one questionA) Properties of probability…

Q: 6.) In a multiple-choice test, each question is to be answered by selecting 1 out of 4 choices of…

A: Given data: Multiple choice test Correct option is 1 out of 4 Number of questions  = 10 To find: The…

Q: 2. Results of a study conducted to determine the water consumptions in number of cubic meters of…

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Q: 1.) Three dice are rolled. Find the probability of getting three 2s if it is known that the sum of…

A: Here AS PER GUIDELINES I HAVE CALCULATED FIRST QUESTION PLZ REPOST FOR REMAINING  1)  HERE 3 Dice…

Q: A representative from the National Football League's Marketing Division randomly selects people on a…

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Q: unt spent on Food Food items purchased ek people in the party my (morning, afternoon, ev ype (credit…

A: A) To conduct one sample t interval our data must meet the following requirements: Test variable…

Q: 2. Grear Tire Company has produced a new tire with an estimated mean lifetime mileage of 36,500…

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Q: B. Performance Task No. 2 Mathem atical Journal. Answer the question: Is hypo thesis testing an…

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Q: a. an inaccurate news article from TweetBook? b. from TweetBook if it is inaccurate?

A: HERE DEFINE EVENTS  article that john consumes come from Tweet book  = A Inaccurate news article  =…

Q: 6. Seventy-five percent of news articles posted on the popular social media app FacePalm are fake.…

A: Given that, 75% of the news in your newsfeed in FacePalm are indeed fake and you randomly select a…

Q: Continuous Distributions - Data Management A manufacturer of cereal finds that the masses of cereal…

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Q: Suppose that X follows a geometric distribution P(X = x) = p(1 – p)*-1 and assume a i.i.d. sample…

A: Since you have posted a question with multiple sub-parts, we will solve first two sub-parts for you.…

Q: A major traffic problem in the Greater Cincinnati area involves traffic attempting to cross the Ohio…

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Q: 20. Raquel buys a bag of cookies that contains 6 chocolate chip cookies, 6 peanut butter cookies, 6…

A: Given : Raquel buys a bag of cookies that contains 6 chocolate chip cookies, 6 peanut butter…

Q: A major traffic problem in the Greater Cincinnati area involves traffic attempting to cross the Ohio…

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Q: 4. (a) In a group of 8 people, some of them shake hands. Is it possible that everyone shaked hands…

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Q: Chloe's z score for her test was z = 0.1. Her actual test score was x = 80.71. The class mean was a…

A: Given that z=0.1 x=80.71 x¯=80.59

Q: A joint density function of the continuous random variables x and y is a function f(x, y) satisfying…

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A: For the given data Fill all the missing values in the table

Q: 6.) In a multiple-choice test, each question is to be answered by selecting 1 out of 4 choices of…

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Q: The number of patients treated in a dental office on Mondays was recorded for 11 weeks. What are the…

A: Arrange the given data in ascending order5,10,13,15,16,17,18,20,28,28,28Sample size(n)=11

Q: 1. The 22d annual Piston Cup was organized to be a race between 5 representatives from Team Rusteze…

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Q: The board of an Internet startup company has thirteen members. If one person is to be in charge of…

A: To find: How many ways can the two positions filled.

Q: My home uses two light bulbs. On average, a light bulb lasts for 150 days (exponentially…

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Q: The two-parameter gamma distribution can be generalized by introducing a third parameter y, called a…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: as a decimal correct to at least three decimal places.)

A: Given The store manager assures you that 16 of the 57 boxes on the shelf have the secret decoder…

Q: George has two red socks and two white socks in a drawer. What is the probability of picking a red…

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Q: A card is randomly selected from a standard deck of 52. What is the probability that the card is…

A: Given: A card is randomly selected from a standard deck of 52.

Q: Assume that a sample is used to estimate a population mean p. Find the margin of error M.E. that…

A: Givensample size(n)=10Mean(x)=61.2standard deviation(s)=20.8Confidence level=90%

Q: Q4) A factory manufactures cups. The manager knows from past experience that 5% of the cups produced…

A: Let X be the random variable from binomial distribution with probability (p) = 5% = 0.05 and sample…

Q: Let’s toss a biased coin twice and check the face of the coin. The probability for head  and tail…

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Q: Which of the following is not a characteristic of the median? O It is easy to define and easy to…

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Q: ts) Suppose that 2% of all children have tuberculosis (TB). When a child who has TB is given the…

A: Let A1: The child has TB A2: The child does not have TB From given information P(A1)=0.02 P(A2)=0.98

Q: 36-45. The scores of Miss World candidates from seven judges were recorded as follows: 8.45, 9.20,…

A: As per company guidelines I solved only First questions.thank you

Q: authors of a paper on perception included an age rating. Some participants read the description with…

A: For the given data Perform Anova single factor

Q: 8.) Niacin. The U.S. Department of Agriculture's recommended daily allowance of niacin for adults is…

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Q: Who is the king of late night TV? An Internet survey estimates that, when given a choice between…

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