Mathematics, 01.12.2020 19:00 gghkooo1987
karin purchased a DVD player on sale. The original selling price was $171.50. The sale price was $136.97. What is the first step in finding the percent markdown? Find the percent markdown.
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Which of the following represents the range of the graph of f(x) below
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Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?
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Abottled water distributor wants to estimate the amount of water contained in 1-gallon bottles purchased from a nationally known water bottling company. the water bottling companyโs specifications state that the standard deviation of the amount of water is equal to 0.02 gallon. a random sample of 50 bottles is selected, and the sample mean amount of water per 1-gallon bottle is 0.995 gallon a. construct a 99% confidence interval estimate for the popula-tion mean amount of water included in a 1-gallon bottle. b. on the basis of these results, do you think that the distributor has a right to complain to the water bottling company? why? c. must you assume that the population amount of water per bottle is normally distributed here? explain. d. construct a 95% confidence interval estimate. how does this change your answer to (b)?
Answers: 2
karin purchased a DVD player on sale. The original selling price was $171.50. The sale price was $13...
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