Mathematics, 01.03.2021 22:20, herchellann302
A lumber company is making doors that are 2058.0 millimeters tall. If the doors are too short they cannot be used. A sample of 7 is made, and it is found that they have a mean of 2046.0 millimeters with a variance of 625.0. A level of significance of 0.1 will be used to determine if the doors are too short. Assume the population distribution is approximately normal. a. State the null and alternative hypotheses. b. Calculate the test statistic. c. Find the P-Value. d. Determine whether to reject or fail to reject the null. e. Write a statement explaining the meaning of your conclusion in part d.
Answers: 2
Mathematics, 21.06.2019 22:00, breannaasmith1122
Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?
Answers: 1
Mathematics, 21.06.2019 22:10, carsondelane13
Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.
Answers: 2
A lumber company is making doors that are 2058.0 millimeters tall. If the doors are too short they c...
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