A normal population has a mean of 58 and a standard deviation of 13. You select...

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Statistics

A normal population has a mean of 58 and a standard deviation of13. You select a random sample of 25.

Round to 4 decimal places.


a.34% of the time, the sample average will be less than whatspecific value?


Value  


b.34% of the time, the value of a randomly selected observationwill be less than h. Find h.


h  


c.The probability that the sample average is more than k is 21%.Find k.


  k  

Answer & Explanation Solved by verified expert
3.8 Ratings (704 Votes)
Given thatmean 58standard deviation 13Using standard normal tablePZ z 34 PZ z 034 PZ 041    See Answer
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