A sample of final exam scores is normally distributed with a mean equal to 26 and...

A sample of final exam scores is normally distributed with a mean equal to 26 and a variance equal to 16.

(a) What percentage of scores are between 22 and 30? (Round your answer to two decimal places.)

(b)What raw score is the cutoff for the top 10% of scores? (Round your answer to one decimal place.)

(c)What is the proportion below 19? (Round your answer to four decimal places.)

(d)What is the probability of a score less than 33? (Round your answer to four decimal places.)

Expert Solution

thank you.

orchestra answered 1 year ago

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