Question

For questions 1 through 3, refer to the following information: Thirty-six percent of U.S. adults favor the use of unmanned drones by police agencies. You randomly select ten U.S. adults and ask them whether they favor the use of unmanned drones by police agencies.

1. What is the probability that less than one out of the ten randomly selected U.S. adults favors the use of unmanned drones by police agencies? Round to the nearest thousandth.

a. 0.012

b. 0.076

c. 0.000

d. 0.988

e. 0.924

2. What is the mean of the random variable that represents the number of U.S. adults out of ten randomly selected adults that favor the use of unmanned drones by police agencies? Round to the nearest thousandth.

a. 6.400

b. 3.600

c. 2.304

d. 1.518

e. 1.897

3. What is the variance of the random variable that represents the number of U.S. adults out of ten randomly selected adults that favor the use of unmanned drones by police agencies? Round to the nearest thousandth.

a. 3.600

b. 6.400

c. 1.518

d. 2.304

e. 1.897

Answer 1