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A manufacturer ships toasters in cartons of 50. In each carton, they estimate a 2% chance that one of the toasters will need to be sent back for minor repairs. In a batch of 25,000 toasters, what are the chances that fewer than 475 need to be returned? The probability that fewer than 475 toasters need to be returned is.
a sample set of 29 scores has a mean of 76 and a standard deviation of 7. can we accept the hypothesis that the sample
question a random sample of five accidents resulted in the following number of persons injured 18 1512 19 amp 21.
suppose n80000 n20000 and s50.a. compute the standard error of x using the finite population correction factor. round
The population of lengths of aluminium-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.2 inches.
Different populations yield the following data. 1 = 236, 2 = 905, = 88 = 13 The sample size is 381 for both samples. Find the 85% confidence interval?
translate the following statements into equivilant formal expressionsa. some things are not owned by anyone.b. some
One variable recorded is the count X of finish defects (dimples, ripples, etc) in the car's paint. Is it reasonable to use a binomial distribution?
a. Use the Hildreth-Lu procedure to obtain a point estimate of the autocorrelation parameter. Do a search at the values ρ = .1, .2, ... ,1.0 and select from these the value of ρ that minimizes SSE.
a bag contains 3 red marbles 4 green ones 1 lavender one 3 yellows and 2 orange marbleshow many sets of five marbles
you live on keswick ridge and commute to campus. suppose that you have the option of crossing the river at the dam the
Find the probability that one or more of the five parolees will be repeat offenders. (Round your answer to three decimal places.)
question a study of 35 golfers showed that their average score was 92. the standard deviation of the sample was 5.a
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