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Exact Value and Approximation Refer to Figure 6-21 in

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

Solution for problem 1BSC Chapter 6.7

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 1BSC

Exact Value and Approximation Refer to Figure 6-­21 in Example 2, and refer to the Minitab display near the beginning of this section. Figure 6­-21 shows the shaded region representing exactly 235 wins among 431 games. What is the shape of the corresponding region in the Minitab display? If we use technology without an approximation, the probability of exactly 235 wins is found to be 0.0066. If we use the normal approximation to the binomial distribution, the probability of exactly 235 wins is found from Table A­-2 to be 0.0068. Which result is better? Is the approximation off by much?

Step-by-Step Solution:

Answer :

Step 1 of 1 :

Given, the shaded region representing exactly 235 wins among 431 games. The probability of exactly 235 wins is found to be 0.0066. If we use the normal approximation to the binomial distribution, the probability of exactly 235 wins is found from Table to be 0.0068

The claim is to suggest the shape of the distribution and we have to suggest the better result.

Conclusion :

The Minitab display shows that the region representing 235 wins is a rectangle.

The result of 0.0068 is an approximation, but the result of 0.0066 is better because it is based on an exact calculation. The approximation differs from the exact result by a very small amount.

Step 2 of 1

Chapter 6.7, Problem 1BSC is Solved
Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

The full step-by-step solution to problem: 1BSC from chapter: 6.7 was answered by , our top Statistics solution expert on 03/15/17, 10:30PM. This full solution covers the following key subjects: wins, Approximation, exactly, display, refer. This expansive textbook survival guide covers 121 chapters, and 3629 solutions. Elementary Statistics was written by and is associated to the ISBN: 9780321836960. This textbook survival guide was created for the textbook: Elementary Statistics, edition: 12. The answer to “?Exact Value and Approximation Refer to Figure 6-­21 in Example 2, and refer to the Minitab display near the beginning of this section. Figure 6­-21 shows the shaded region representing exactly 235 wins among 431 games. What is the shape of the corresponding region in the Minitab display? If we use technology without an approximation, the probability of exactly 235 wins is found to be 0.0066. If we use the normal approximation to the binomial distribution, the probability of exactly 235 wins is found from Table A­-2 to be 0.0068. Which result is better? Is the approximation off by much?” is broken down into a number of easy to follow steps, and 100 words. Since the solution to 1BSC from 6.7 chapter was answered, more than 439 students have viewed the full step-by-step answer.

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Exact Value and Approximation Refer to Figure 6-21 in