1.) In a large on-the-job training program, half of the participants are female and half are male. In a random sample of six participants, what is the probability that an investigator will draw at least two males?† (Round your answer to four decimal places.)

*P*(*X* ≥ 2)

2.)The probability that a randomly selected teenager watched a rented video at least once during a week was 0.72. What is the probability that at least 8 teenagers in a group of 10 watched a rented movie at least once last week? (Round your answer to four decimal places.)

*P*(*X* ≥ 8) =

3.)Assume that on a standardized test of 100 questions, a person has a probability of 80% of answering any particular question correctly. Find the probability of answering between 78 and 88questions, inclusive. (Assume independence, and round your answer to four decimal places.)

*P*(78 ≤ *X* ≤ 88) =

#### Top Answer

Question 1 P ( X ≥ 2) = 0.890625 = 0.8906 Question... View the full answer

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1) The probability that the investor will draw at least 2 males is 0.8906 . 2)... View the full answer