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 O a. 0.27 O b. 0.04 O c. 0.072 d. 0.19

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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
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Transcribed Image 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
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