# Question: Use According to the Statistical Abstract of the United States

Use According to the Statistical Abstract of the United States, about 17% of all 18- to 25-year-olds are current marijuana users.

(a) What is the probability that four randomly selected 18- to 25-year-olds are all marijuana users?

(b) What is the probability that among four randomly selected 18- to 25-year-olds at least one is a marijuana user?

(a) What is the probability that four randomly selected 18- to 25-year-olds are all marijuana users?

(b) What is the probability that among four randomly selected 18- to 25-year-olds at least one is a marijuana user?

## Answer to relevant Questions

24 The distribution of National Honor Society members among the students at a local high school is shown in the table. A student’s name is drawn at random. (a) What is the probability that the student is a junior? (b) ...Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. (a) The number of students in a randomly selected elementary school classroom (b) The amount ...Consider a binomial probability distribution with parameters n = 8 and p = 0.75. (a) Construct a binomial probability distribution with these parameters. (b) Compute the mean and standard deviation of the distribution. (c) ...Determine whether the probability experiment represents a binomial experiment. If not, explain why. (a) An urn contains 20 colored golf balls: 8 white, 6 red, 4 blue, and 2 yellow. A child is allowed to draw balls until he ...Determine whether the distribution is a discrete probability distribution. If not, state why. x .... P(x) 0 .... 0.1 1 .... 0.5 2 .... 0.05 3 .... 0.25 4 .... 0.1Post your question