Chapter 6, Section 1-CI, Exercise 032 Comparing Normal and Bootstrap Confidence

Question

Chapter 6, Section 1-CI, Exercise 032

Comparing Normal and Bootstrap Confidence Intervals

Find a 95% confidence interval for the proportion two ways, using StatKey or other technology and percentiles from a bootstrap distribution and using the normal distribution and the formula for standard error.

Proportion of home team wins in soccer, using p^=0.583 with n=120

Click here to access StatKey.

Round your answers to three decimal places.

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Chapter 6, Section 1-CI, Exercise 032

Comparing Normal and Bootstrap Confidence Intervals

Find a 95% confidence interval for the proportion two ways, using StatKey or other technology and percentiles from a bootstrap distribution and using the normal distribution and the formula for standard error.

Proportion of home team wins in soccer, using p^=0.583 with n=120

Click here to access StatKey.

Round your answers to three decimal places.

Method Confidence interval Bootstrap: to Normal: to

LINK TO TEXT

Question Attempts: 0 of 4 used

SAVE FOR LATER

SUBMIT ANSWER

Explanation / Answer

solution=

use z = 1.96 and ˆp = 0.583 from the sample of n = 120 games. The confidence interval is

Sample statistic ± z · SE

pˆ ± z sqrt pˆ(1 pˆ)/ n

0.583 ±  1.96 * sqrt 0.583(1- 0.583)/ 120

0.583  ± 1.96 * 0.0450

0.583  ± 0.0882

0.495 to 0.6712   

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