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The population mean and standard deviation are given below. Find the required probability and determine whether...

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Statistics

The population mean and standard deviation are given below. Findthe required probability and determine whether the given samplemean would be considered unusual. For a sample of n= 69​, find theprobability of a sample mean being less than 23.3 if m= 23 andsigma =1.17.

The population mean and standard deviation are given below. Findthe indicated probability and determine whether a sample mean inthe given range below would be considered unusual. If​ convenient,use technology to find the probability.

For a sample of n =31, find the probability of a sample meanbeing less than 12,750 or greater than 12753 when μ =12,750 and σ=2.3

Answer & Explanation Solved by verified expert
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aThe answer is 0983410211686389Using    See Answer
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