Question
Event A the first digit (0 through 9) of a four-digit lottery number is chosen by someone buying a ticket, it is the same number that is later drawn in the lottery. Event B. a second digit of a four-digit lottery chosen and it is the same second digit that is later drawn in the lottery (two winning numbers). Find P(A and B), the probability that events A and B both occur. Chapter 5. Discrete Probability Distributions Identify the given random variable as discrete or continuous. The number of movies currently playing in Manchester theaters. a. discrete. b, continuous Determine whether the given procedure results in a binomial distribution. Determining whether each of 500 defibrillators is acceptable or defective. a. binomial distribution b. not binomial distribution
Explanation / Answer
1)
the probability that both occur = 1/9 * 1/10
= 1/90
2)The number of movies currently play in manchester teatres is a discrete random variable but not continuous
3) The distribution is not a binomial distribution