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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.

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