A basketball player makes 70% of her free throws. When fouled, she gets to take two free throws. Let X represent the number of free throws made in two tries. The probability distribution for the number of free throws she makes in two attempts is summarized in the following table: Number of free throws made Probability 0 0.09 1 0.42 2 0.49 The probability statement representing that she makes at least one free throw is expressed as

The table shown here represents the number of televisions per American household. According to this table, what is the probability that a given household will have MORE THAN 3 TV's?

A commuter must pass through 5 traffic lights on her way to work each day, and will have to stop at each one that is red. She estimates the probability model for the number of red lights she hits and is shown below. # of red lights Probability 0 0.05 1 0.25 2 0.35 3 0.15 4 0.15 5 0.05 What is the probability that the commuter will stop for at most 3 lights? Express your answer in decimal form as shown in the table.

For Exercise, use the data in the table categorizing smokers and nonsmokers according to their blood pressure (BP) levels. If one person is chosen at random, find the probability of the given event. Elevated BP 28 Normal BP 42 Total 70 Smokers Nonsmokers Total 80 10 90 122 38 160 The person has elevated blood pressure.

Let X denote that number of years I will use my current computer, and Y the number of years that I will use my tablet. The joint distribution of X and Y is as shown below: What is the probability that I will use the tablet for exactly one year? a b Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. с 0.082 e 0.160 0.210 d 0.344 Y 0.400 1 2 3 X 1 2 3 0.05 0.16 0.19 0.10 0.13 0.12 0.07 0.10 0.08

The switchboard in a Minneapolis law office gets an average of 3 incoming phone calls during the noon hour on Mondays. Experience shows that the existing staff can handle up to six calls in an hour. Let X = the number of calls received at noon. What is the probability that the office receivesa. exactly 4 calls at noon on Monday. b. exactly 8 calls at noon on Monday.