A sample of final exam scores is normally distributed with a mean equal to24and a variance equal to25.

• Part (a)What percentage of scores are between19and29? (Round your answer to two decimal places.) %
• Part (b)What raw score is the cutoff for the top 10% of scores? (Round your answer to one decimal place.)
• Part (c)What is the proportion below17? (Round your answer to four decimal places.)
• Part (d)What is the probability of a score less than31? (Round your answer to four decimal places.)