5. Which one of these variables is a continuous random variable?a) The time is takes a randomly selected student to b) The number of tattoos a randomly selected person c) The number of women taller than 68 inches in a d) The number of correct guesses on this part of the e) None of these.complete an exam.has.random sample of 5 women.multiple choice test.

6. Which one of these variables is a discrete random variable?complete a multiple choice exam.students.random sample of 5 women.

7. Suppose that for X = net amount won by a person playing a lottery game, the expected value is E(X) = -$0.50. What is the correct interpretation of this value?of 50 cents.time he/she plays this lottery game.plays is a net loss of 50 cents.impossible for an expected value to be negative.

8. Pulse rates of adult men are approximately normal with a mean of 70 and a standard deviation of 8. Which choice correctly describes how to find the proportion of men that have a pulse rate greater than 78?normal curve.normal curve.standard normal curve.normal curve.normal curve.

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- Summer '16
- Calculus