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Chapter 3: Q.67 (page 220)

Explain what is wrong with the following statements. Use complete sentences.

a. If there is a 60%chance of rain on Saturday and chance of rain on Sunday, then there is a 130%chance of rain over the weekend.

b. The probability that a baseball player hits a home run is greater than the probability that he gets a successful hit.

Short Answer

Expert verified

a. The probability is never be greater than 100%.

b. Yes, The probability that a baseball player hits a home run should be at least the probability that he gets a successful hit.

Step by step solution

01

Content Introduction

The two events given with their probability.

02

Explanation (Part a)

While calculating the joint probability, the probabilities must be added and not multiplied. And it is also noticed that probability can never be more than100%

03

Explanation (Part b)

A home run by definition is a successful hit, so he has to have at least as many successful hits as home run.

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Most popular questions from this chapter

Answer these questions using probability rules. Do NOT use the contingency table. Three thousand fifty-nine cases of AIDS had been reported in Santa Clara County, CA, through a certain date. Those cases will be our population. Of those cases, 6.4% obtained the disease through heterosexual contact and 7.4% are female. Out of the females with the disease, 53.3% got the disease from heterosexual contact.

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