A genetic experiment with peas resulted in one sample of offspring that consisted of 449 green peas and 166 yellow peas. a. Construct a 95% confidence interval to estimate of the percentage of yellow peas. b. It was expected that 25% of the offspring peas would be yellow. Given that the percentage of offspring yellow peas is not 25%, do the results contradict expectations? a. Construct a 95% confidence interval. Express the percentages in decimal form.
A genetic experiment with peas resulted in one sample of offspring that consisted of 449 green peas and 166 yellow peas. a. Construct a 95% confidence interval to estimate of the percentage of yellow peas. b. It was expected that 25% of the offspring peas would be yellow. Given that the percentage of offspring yellow peas is not 25%, do the results contradict expectations? a. Construct a 95% confidence interval. Express the percentages in decimal form.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Transcribed Image Text:A genetic experiment with peas resulted in one sample of offspring that consisted of 449 green peas and 166 yellow peas.
a. Construct a 95% confidence interval to estimate of the percentage of yellow peas.
b. It was expected that 25% of the offspring peas would be yellow. Given that the percentage of offspring yellow peas is not 25%, do the results contradict expectations?
a. Construct a 95% confidence interval. Express the percentages in decimal form.
|<p< (Round to three decimal places as needed.)
b. Given that the percentage of offspring yellow peas is not 25%, do the results contradict expectations?
Yes, the confidence interval does not include 0.25, so the true percentage could not equal 25%
O No, the confidence interval includes 0.25, so the true percentage could easily equal 25%

Transcribed Image Text:In a study of the accuracy of fast food drive-through orders, Restaurant A had 221 accurate orders and 60 that were not accurate.
a. Construct a 95% confidence interval estimate of the percentage of orders that are not accurate.
b. Compare the results from part (a) to this 95% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0.184 < p < 0.289. What do you conclude?
a. Construct a 95% confidence interval. Express the percentages in decimal form.
O<p<O (Round to three decimal places as needed.)
b. Choose the correct answer below.
O A. The lower confidence limit of the interval for Restaurant B is higher than the lower confidence limit of the interval for Restaurant A and the upper confidence limit of the interval for Restaurant B is also higher than the upper
confidence limit of the interval for Restaurant A. Therefore, Restaurant B has a significantly higher percentage of orders that are not accurate.
O B. Since the two confidence intervals overlap, neither restaurant appears to have a significantly different percentage of orders that are not accurate.
O C. Since the upper confidence limit of the interval for Restaurant B is higher than both the lower and upper confidence limits of the interval for Restaurant A, this indicates that Restaurant B has a significantly higher percentage
of orders that are not accurate.
O D. No conclusion can be made because not enough information is given about the confidence interval for Restaurant B.
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