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A binomial experiment is given. Decide whether you can use the normal distribution to approximate the binomial distribution. If you? can, find the mean and standard deviation. If you? cannot, explain why.
A survey of adults found that 67?% have used a multivitamin in the past 12 months. You randomly select 40 adults and ask them if they have used a multivitamin in the past 12 months.
Select the correct answer below? and, if? necessary, fill in the answer boxes within your choice.
A. ?No, because nq<5.
B. ?No, because np<5.
C. Yes, the mean is ____ and the standard deviation is ____
?(Round to two decimal places as? needed.)
the distribution of the sat scores in math for an incoming class of business students has mean of 580 and standard
Question 1: If they purchase the land near Site A and the airport is built at Site A, what is their estimated profit?
Study the table and find an equation that relates the Average SSD to VARP and the Offset.- Using the equation you found in part 1, prove that the Average SSD(Target) is minimized when the target equals the process mean.
question the calculations for a factorial experiment involving four levels of factor a three levels of factor b and
To estimate the percentage of households in the United States that use a DVD player, a researcher surveys a randomly selected sample of 500 households and asks about DVD player usage.- What is the population of interest in this survey?- What is the..
Compute the standard error of the sample mean. (Round your answer to the nearest whole number.)
A Department of Trasporta repot about air travel found that nationwide, 76% of all flights are on time. What is the probablity that you will have have excatly 80 flights on time?
At least 150 individuals will cooperate and respond to the questions? In other words, what is the probability that the sample proportion will be at least 150/400 = .375?
In a random sample of 10 on-line statistics students, information was collected about their minutes studied and their chapter test scores. Is this relationship positive, negative or no relation?
He will deposit money in an ordinary annuity that earns 7.8% interest, compounded monthly. Deposits will be made at the end of each month.
jason has several shirts pants and shoes that he can mix and match to create 48 different uniform combinations. what
a. Test the claim using a hypothesis test. b. Test the claim by constructing an appropriate confidence interval.
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