A new sneaker claims that it can make male athletes jump higher. A sample of 47 male athletes were asked to jump once with their own sneakers on and once wearing the new sneakers. The average jump increased by 2.15 inches with the new sneakers with a standard deviation of 1.38 inches. What is the standard error of the 95% confidence interval for the average jump increase?

Q: 71 4 36 5 32 6 26 7 18 8 16 9 14 10 8 11 2  Total 500 What is the probability…

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Q: Let X: Uc4) out of st andard er dere d uniferm

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Q: probability and non-probability: answer the following questions

A: Sampling is a way of selecting a subset of a population.

Q: 8. If X is uniformly distributed over (–1,1), find a. P(\X|>;) b. Density function of the random…

A: Solution

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Q: Example 21. B arranges to pay a debt of Rs. 9600 in 48 annual instalments which form an arithmetic…

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Q: (a) A new manufacturing facility is to be built. There are 15 possible sites. A team of engineers is…

A: a) The total number of possible sites is 15.

Q: dom sample of size n = 41. at is the mean of the distribution of sample means? |(Please enter an…

A: Given data,μ=140σ=39.4n=41

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Q: • If a pair of dice is tossed. What is the probability that a. the sum is either 7 or 11? b. the sum…

A: Given that  A pair of dice is tossed  Sample space=S S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1)…

Q: Example 4. In a survey of 2000 mobile it was found that 1700 users liked Nokia and 1500 users liked…

A: In question,  Given that in a survey of 2000 mobile it wa found that 1700 users liked Nokia and 1500…

Q: The accompanying table shows the âges (in years) of 11 Chliun Click here to view the data table.…

A: As it is found that, the correlation coefficient is r= 0.976 Sample size is n= 11 Then test…

Q: If  n(A) = 66, n(B) = 16, and n(A ∩ B) = 4, find n(A ∪ B).

A: Givenn(A)=66n(B)=16n(A∩B)=4

Q: Consider a market for used bicycles, with high and low quality. Sellers value high quality at $260…

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Q: rolled five times. What is the probability that a prime numbe be

A: When a single die is rolled then there are 6 possible outcomes  {1,2,3,4,5,6}

Q: The heights of American adult males are normally distributed with a mean of 177 cm and a standard…

A: Empirical rules:1) P(μ-σ<X<μ+σ)=68%2) P(μ-2σ<X<μ+2σ)=95%3) P(μ-3σ<X<μ+3σ)=99.7%

Q: Example 3. A survey company investigated 800 car owners and found, 650 owned Maruti car and 300…

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Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: We have given thatn = 1056 x = 592 Significance level (α) = 1 - 0.90 = 0.10

Q: A shop sells a particular make of video recorder. Assuming that the weekly demand for the video…

A: In question, Given that A shop sells a particular make of video recorder. Assuming that the weekly…

Q: 7) An offshore platform is designed for a 50+10-year wave (turnover period), however the platform is…

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Q: In a group of people everyone rolls a die. What is the smallest number of people that should be in…

A: When some objects are arranged or a rearrangement is made for a number of objects arranged in an…

Q: Example 21. B arranges to pay a debt of Rs. 9600 in 48 annual instalments which form an arithmetic…

A:

Q: 6. What are the odds against drawing a red Jack from a deck of Euchre cards (which only include:…

A: Here Given  Total no of cards= 6 ×4 = 24 No of Red jack = 1

Q: Please interpret box plot given summary statistics.

A: Box plot is a visual display of five number summary.

Q: You are given that P(A) = 0.5, P(B) = 0.25, and P(A n B) = 0.1. What is the probability that A or B…

A: Given,P(A)=0.5P(B)=0.25P(A∩B)=0.1

Q: q1-  Collina's Italian Cafe in Houston, Texas, advertises that carryout orders take about 25…

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Q: Q43. If the difference between three times of mean and three times of variance is two for a binomial…

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Q: If 20% of the bolts produced on a machine are defective, determine the probability that 4 randomly…

A: Let X be the number of defective  Let p be the probability of defective  p= 20%, n=sample size  n=4…

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Q: If a committee of 3 is to be chosen at random from a class of 15 students, what is the probability…

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Q: Example 1. In a group of 800 people, 500 can speak Hindi and 400 can speak English. How many can…

A: Given data In a group of 800 people 500 can speak Hindi. 400 can speak English.

Q: A meeting of consuls was attended by 4 Australians and 4 Japanese. Three (3) consuls will be…

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Q: Collina's Italian Cafe in Houston, Texas, advertises that carryout orders take about 25 minutes.…

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Q: Example 1 Construct the ogives for the following data. С. I.: 10-20 20-30 30-40 40-50 Frequency: 2 4…

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Q: S The profit made by 130 firms in a year are as follows. Find the arithmetic mena Profits (*000) Rs:…

A: Given that  Frequency distribution table  Profit  Number of firms  1-2 5 2-3 27 3-4 36…

Q: Example 2 Find the median height from the following heights of 8 students. Height (cms): 59, 60, 72,…

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Q: Companies A, B, and C produce 20%, 20%, and 60%, respectively, of the major appliances sold in a…

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Q: Use the following letters J,O,L,L,Y to explain the difference between "permutations" and…

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Q: ) Consider a continous Markov- chain a th two states S={0,13. Assume paremeters are Hhe holding time…

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Q: According to a certain​ survey, adults spend 2.25 hours per day watching television on a weekday.…

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Q: The histogram displays the sugar content (as a percent of weight) of 49 brands of breakfast cereals.…

A: The above histogram has 2 peaks so the shape of the distribution is bimodal.

Q: In a standard deck of 52 cards, what is the smallest number of cards you must draw to guarantee…

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Q: Question 10 The liquid volume packaged in a bottle of A-brand orange juice follows a normal…

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Q: A mechanical device has a wear out time distributed normally with a mean of 1100 hours and a…

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Q: C. Find ež, the minimum Mean Square Error (MSE) of the optimum linear estimate

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Q: For each of the following, shade the normal curve and find the percentage of that shaded part. (Show…

A: As per guideline expert have to answer first three subparts only.

Q: Example 7. In a random selection of 64 of 600 road crossing in a town, the mean number of automobile…

A: We have given that Sample size (n) = 64Sample mean (x̅) = 4.2Standard deviations (s) =…

Q: (a) Find the probability that the match ends in a draw. (b) Calculate the expected point that the…

A: Here Given For Football team Winner gets 2 points  Loser gets 0 and  In Tie match Both get 1 point…

Q: Example 20. The monthly salary of a person was Rs. 320 for each of the first three years. He next…

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