QUESTION 20 According to a research firm, Student Monitor, cumulative debt of a graduating senior is approximately normally distributed with expected value/mean of $30,000 and standard deviation of $5,000. Use this information to answer Questions 20 to 22 below. What is the probability that a randomly selected graduating senior will have less than $18,000 in debts when they graudate? O a. 0.023 O b. 0.150 O c. 0.008 O d. 0.043 QUESTION 21 What is the probability that a randomly selected graduating senior will have between $27,000 and $33,000 in debt when they graduate? O a. 0.332 O b. 0.253 O C. 0.451 O d. 0.525 QUESTION 22 What is the distribution's 95th percentile value, in thousands of dollars? In other words, find the amount of debts below which the debts of 95% of graduating seniors lie: Only 5% of graduating seniors will owe more than this amount. O a. 27.33 O b. 41.51 O C. 35.81 O d. 38.22