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Chapter 13: Q. 8 (page 864)

Determine whether the following is a probability model.

Short Answer

Expert verified

The given is a probability model.

Step by step solution

01

Step 1. Given information.

Determine whether the following is a probability model.

02

Step 2. Determine the probability model.

Analyzing the given table, the probability of each outcome are between 0 and 1.

Adding them together we have,

PSteev+PBob+PFaye+PPatricia=0.4+0.3+0.1+0.2=1

Since the probability of each outcome is between 0 and 1, and their sum is 1, then the given is a probability model.

03

Step 3. Conclusion.

The given is a probability model.

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Most popular questions from this chapter

According to the Girl Scouts of America, 9% of all Girl Scout cookies sold are shortbread/ trefoils. If a box of Girl Scout cookies is selected at random, what is the probability that it is not shortbread/trefoils?

List all the combinations of 4 objects 1, 2, 3, and 4 taken 3 at a time. What is C(4,3)?

In a certain Precalculus class, there are 18 freshmen and 15 sophomores. Of the 18 freshmen, 10 are male, and of the 15 sophomores, 8 are male. Find the probability that a randomly selected student is:

(a) A freshman or female

(b) A sophomore or male

True or False The probability of an event can never equal 0.

Find the probability of the indicated event if P(A)=0.25andP(B)=0.45

P(A∩B)if A and B are mutually exclusive.
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