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Chapter 3: Q.2 (page 215)

Use the following information to answer the next four exercises. A box Is filled with several party favours. It contains 12 hats, 15 noisemakers, ten finger traps, and five bags of confetti.

Let H : the event of getting a hat.

Let N= the event of getting a noisemaker.

Let F= the event of getting a finger trap.

Let C= the event of getting a bag of confetti.

Find P(H)

Short Answer

Expert verified

The event of getting a hat P(H) = 0.29

Step by step solution

01

Given Information

A box Is filled with several party favours. It contains 12 hats, 15 noisemakers, ten finger traps, and five bags of confetti.

02

Explanation

We know,

Finding the probability of getting a hat,

The desired outcome for getting a hat = 12

Total outcome = 42

Probability = desiredoutcometotaloutcome

Hence the event of getting a hat P(H) = 1242=0.29

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Most popular questions from this chapter

Use the following information to answer the next 12exercises. The graph shown is based on more than 1,70,000interviews done by Gallup that took place from January through December 2012. The sample consists of employed Americans 18years of age or older. The Emotional Health Index Scores are the sample space. We randomly sample one Emotional Health Index Score.

What occupation has the highest emotional index score?

Write the symbols for the probability that a player is an infielder, given that the player is a great hitter.

The following table of data obtained from www.baseball-almanac.com shows hit information for four players. Suppose that one hit from the table is randomly selected.

Are "the hit being made by Hank Aaron" and "the hit being a double" independent events?

a. Yes, because P(hit by Hank Aaron | hit is a double) =P(hit by Hank Aaron)

b. No, because P(hit by Hank Aaron | hit is a double) 鈮�P(hit is a double)

c. No, because P(hit is by Hank Aaron | hit is a double) 鈮�P(hit by Hank Aaron)

d. Yes, because P(hit is by Hank Aaron | hit is a double) =P(hit is a double)

What is the probability of rolling an even number of dots with a fair, six-sided die numbered one through six?

Forty-eight percent of all Californians registered voters prefer life in prison without parole over the death penalty for a person convicted of first degree murder. Among Latino California registered voters, 55%prefer life in prison without parole over the death penalty for a person convicted of first degree murder. 37.6%of all Californians are Latino. In this problem, let: 鈥� C = Californians (registered voters) preferring life in prison without parole over the death penalty for a person convicted of first degree murder. L = Latino Californians. Suppose that one Californian is randomly selected.

Find P(L OR C).
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