QUESTION 7 A research study uses 800 men under the age of 60. Suppose that 35% carry a marker on the male chromosome that indicates an increased risk for high blood pressure. If 10 men are selected...

Extracted text: QUESTION 7 A research study uses 800 men under the age of 60. Suppose that 35% carry a marker on the male chromosome that indicates an increased risk for high blood pressure. If 10 men are selected randomly and tested for the marker, the probability that exactly 1 man has the marker is а. О.27 b. 0.04 C. 0.072 d. 0.19 QUESTION 8 A certain type of engines lasts, on average, 4.0 years with a standard deviation of 0.5 year. Assuming that the engine lifetimes are normally distributed, the probability that a given machine will last less than 3.6 years is a. 0.7881 b. О.3446 C. 0.4364 d. 0.2119 QUESTION 9 A particularly long traffic light on your morning commute is green 30% of the time that you approach it. Assume that each morning represents an independent trial. Over 6 mornings, what is the probability that the light is not green on exactly 4 days? a. 0.001 Save All Answe Click Save and Submit to save and submit. Click Save All Answers to save all answers. DELL