## (Solved) Suppose that we will randomly select a sample of 84 measurements from a population having a mean equal to 23 and a standard deviation equal to 7.

 Suppose that we will randomly select a sample of 84 measurements from a population having a mean equal to 23 and a standard deviation equal to 7.

 (c) Calculate the probability that we will obtain a sample mean greater than 24; that is, calculateÂ P(Â > 24). Hint: Find theÂ zÂ value corresponding to 24 by using ÂµÂ and ÏƒÂ because we wish to calculate a probability aboutÂ .Â (Use the rounded standard error to compute the rounded Z-score used to find the probability. Round your answer to 4 decimal places. Round z-scores to 2 decimal places.)

 Â Â Px(Â > 24) Â Â

 (d) Calculate the probability that we will obtain a sample mean less than 22.178; that is, calculateÂ P(Â < 22.178)Â (Use the rounded standard error to compute the rounded Z-score used to find the probability. Round your answer to 4 decimal places. Round z-scores to 2 decimal places.)

 Â Â Px(Â < 22.178) Â Â

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Sep 05, 2019

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