A sample of final exam scores is normally distributed with a mean equal to23and a variance equal to16.

• Part (a)
• What percentage of scores are between19and27? (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 than29? (Round your answer to four decimal places.)
• _________________