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Solved: Probability from a Sample Space. In Exercise, use

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 38BSC Chapter 4.2

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 38BSC

 

Probability from a Sample Space. In Exercise, use the given sample space or construct the required sample space to find the indicated probability.

Three Children Use this sample space listing the eight simple events that are possible when a couple has three children (as in Example 1): {bbb, bbg, bgb, bgg, gbb, gbg, ggb, ggg}. Assume that boys and girls are equally likely, so that the eight simple events are equally likely. Find the probability that when a couple has three children, there is exactly one girl.

Florida Lottery Let A denote the event of placing a $1 straight bet on the Florida Play 4 lottery and winning. The chance of event A occurring is 1 in 10,000. What is the value of P (A)? What is the value of P (Ā)?

Three Children Using the same sample space and assumption from Exercise 1, find the probability that when a couple has three children, there are exactly two girls.

Exercise 1

Probability from a Sample Space. In Exercise, use the given sample space or construct the required sample space to find the indicated probability.

Three Children Use this sample space listing the eight simple events that are possible when a couple has three children (as in Example 1): {bbb, bbg, bgb, bgg, gbb, gbg, ggb, ggg}. Assume that boys and girls are equally likely, so that the eight simple events are equally likely. Find the probability that when a couple has three children, there is exactly one girl.

Florida Lottery Let A denote the event of placing a $1 straight bet on the Florida Play 4 lottery and winning. The chance of event A occurring is 1 in 10,000. What is the value of P (A)? What is the value of P (Ā)?

Example 1 In the following display, we use "b" to denote a baby boy and "g" to denote a baby girl.

Procedure

Example of Event

Sample Space(List of Simple Events)

Single birth

1 girl (simple event)

{b, g}

3 births

2 boys and 1 girl (bbg, bgb, and gbb are all simple events resulting in 2 boys and 1 girl)

{bbb, bbg, bgb, bgg, gbb, gbg, ggb, ggg}

With one birth, the result of 1 female is a simple event because it cannot be broken down any further. With three births, the event of "2 girls and 1 boy" is not a simple event because it can be broken down into simpler events, such as ggb, gbg, or bgg. With three births, the sample spaceconsists of the eight simple events listed above. With three births, the outcome of ggb is considered a simple event, because it is an outcome that cannot be broken down any further. We might incorrectly think that ggb can be further broken down into the individual results of g, g, and b, but g, g, and b are not individual outcomes from three births. With three births, there are exactly eight outcomes that are simple events: bbb, bbg, bgb, bgg, gbb, gbg, ggb, and ggg.

Step-by-Step Solution:

Answer:

Step 1 of 1</p>

Here the sample space consists of {bbb, bbg, bgb, bgg, gbb, gbg, ggb, ggg}.

The probability that when a couple has three children, there is exactly one girl is

Probability =

 ...

Step 2 of 3

Chapter 4.2, Problem 38BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

The answer to “Probability from a Sample Space. In Exercise, use the given sample space or construct the required sample space to find the indicated probability.Three Children Use this sample space listing the eight simple events that are possible when a couple has three children (as in Example 1): {bbb, bbg, bgb, bgg, gbb, gbg, ggb, ggg}. Assume that boys and girls are equally likely, so that the eight simple events are equally likely. Find the probability that when a couple has three children, there is exactly one girl.Florida Lottery Let A denote the event of placing a $1 straight bet on the Florida Play 4 lottery and winning. The chance of event A occurring is 1 in 10,000. What is the value of P (A)? What is the value of P (?)?Three Children Using the same sample space and assumption from Exercise 1, find the probability that when a couple has three children, there are exactly two girls.Exercise 1Probability from a Sample Space. In Exercise, use the given sample space or construct the required sample space to find the indicated probability.Three Children Use this sample space listing the eight simple events that are possible when a couple has three children (as in Example 1): {bbb, bbg, bgb, bgg, gbb, gbg, ggb, ggg}. Assume that boys and girls are equally likely, so that the eight simple events are equally likely. Find the probability that when a couple has three children, there is exactly one girl.Florida Lottery Let A denote the event of placing a $1 straight bet on the Florida Play 4 lottery and winning. The chance of event A occurring is 1 in 10,000. What is the value of P (A)? What is the value of P (?)?Example 1 In the following display, we use "b" to denote a baby boy and "g" to denote a baby girl.ProcedureExample of EventSample Space(List of Simple Events)Single birth1 girl (simple event){b, g}3 births2 boys and 1 girl (bbg, bgb, and gbb are all simple events resulting in 2 boys and 1 girl){bbb, bbg, bgb, bgg, gbb, gbg, ggb, ggg}With one birth, the result of 1 female is a simple event because it cannot be broken down any further. With three births, the event of "2 girls and 1 boy" is not a simple event because it can be broken down into simpler events, such as ggb, gbg, or bgg. With three births, the sample spaceconsists of the eight simple events listed above. With three births, the outcome of ggb is considered a simple event, because it is an outcome that cannot be broken down any further. We might incorrectly think that ggb can be further broken down into the individual results of g, g, and b, but g, g, and b are not individual outcomes from three births. With three births, there are exactly eight outcomes that are simple events: bbb, bbg, bgb, bgg, gbb, gbg, ggb, and ggg.” is broken down into a number of easy to follow steps, and 484 words. Elementary Statistics was written by and is associated to the ISBN: 9780321836960. The full step-by-step solution to problem: 38BSC from chapter: 4.2 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. Since the solution to 38BSC from 4.2 chapter was answered, more than 456 students have viewed the full step-by-step answer. This full solution covers the following key subjects: simple, space, sample, Event, Events. This expansive textbook survival guide covers 121 chapters, and 3629 solutions.

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