Question 1 (Mandatory) (1 point) Given that z is a standard normal random variable, what is the value of: if the area to the left of z is 9382? O a) 2.1 Ob) 1.77 c) 18 O d) 1.54 Question 2 (Mandatory) (1 point) For a standard normal distribution, the probability of obtaining a z value between 2.4 and 2.0 is a) 4000 b) 5000 OC).0400 d) 0146 Question 3 (Mandatory) (1 point) Suppose x is a normally distributed random variable with a mean of 8 and a standard deviation of 4. The probability that x is between 1.48 and 15.56 is a) 5222 b) 4190 Oc) .0222 d) 9190 Question 4 (Mandatory) (1 point) Suppose x is a normally distributed random variable with a mean of 12 and a standard deviation of 3. The probability that x equals 19.62 is a) 9945 b) .4945 c) 20055 d) Question 5 (Mandatory) (1 point) For a standard normal distribution, the probability of obtaining a z value of less than 1.6 is a) 1600 Ob) .0160 C) 0016 d) 9452 Question 6 (Mandatory) (1 point) Suppose x is a normally distributed random variable with a mean of 5 and a variance of 4. The probability that x is greater than 10.52 is a) 0838 b) 9971 c) 4971 d) .0029 Question 7 (Mandatory) (1 point) Exhibit 6-3 The weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds Refer to Exhibit 6-3. The probability of a player weighing more than 241.25 pounds is a) .0495 b) 4505 c) 9010 d) 9505 Question 8 (Mandatory) (1 point) Exhibit 6-3 The weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. Refer to Exhibit 6-3. The probability of a player weighing less than 250 pounds is a) 4772 Ob) 5000 C) 0528 d) 9772 Question 9 (Mandatory) (1 point) Exhibit 6-3 The weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. Refer to Exhibit 6-3. What percent of players weigh between 180 and 220 pounds? a) 34.13% b) 68.26% c) 0.3413% d) 57.62% Question 10 (Mandatory) (1 point) Exhibit 6-3 The weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. Refer to Exhibit 6-3. What is the minimum weight of the middle 95% of the players? a) 196 b) 151 c) 249 d) 205