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A random variable is normally distributed with a mean of 24 and a standard deviation of...

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Basic Math

A random variable is normally distributed with a mean of 24 anda standard deviation of 6. If an observation is randomly selectedfrom the​ distribution,

a. What value will be exceeded 5​% of the​ time?

b. What value will be exceeded 90% of the​ time?

c. Determine two values of which the smaller has 20% of thevalues below it and the larger has 20​% of the values above it.

d. What value will 10​% of the observations be​ below?

Answer & Explanation Solved by verified expert
4.3 Ratings (945 Votes)
SolutionGiven thatmean 24standard deviation 6Using standard normal tablea PZ z 5 1 PZ z 005 PZ z 1 005 PZ z 095 PZ 1645 095z    See Answer
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