1.The scores on the final exam in a math class are normally distributed withmean score of 78 and a standard deviation of 8.5. What score separates the top 25% from the others? Round to the nearest whole number.

Select one: a. 75 b. 84 c. 59 d. 90 2.Annual incomes of workers in a certain profession are normally distributed with a mean of $36,300 and standard deviation of $1,700. What salary separates the top 10% in this profession from the others? Round to the nearest dollar

Select one: a. $34,121 b. $32,670 c. $26,112 d. $38,476 3.Heights of American women are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches (based on data from the national health survey). If a woman is randomly selected, find the probability that her height is greater than 68 inches

Select one: a. 0.0165 b. 0.0392 c. 0.9608 d. 0.9835 4.IQ scores are normally distributed with a mean of 100 and standard deviation of 15. What IQ score separates the bottom 20% from the others? Round to the nearest tenth. a) 97.0 or b) 57.5 or C) 80.0 or D) 87.4a. 97.0 b. 57.5 c. 80.0 d. 87.4