i needdddd helppppp

[answerhappygod]

i needdddd helppppp

I Needdddd Helppppp 1 (57.36 KiB) Viewed 23 times

IN Test: Exam (Ch4-8) points) possible In a study of the accuracy of fast food drive-through orders, Restaurant Ahad 215 accurate orders and 69 that were not acourte a Construct a 90% confidence interval estimate of the percentage of orders that are not accurate b. Compare the results from part (a) to this 90% confidence interval for the percentage of orders that are not accurate at Restaurant B: 0228<p<0.304. What do you conclude? Contruct a 90% confidence interval. Express the percentages in decimal form. [<<Round to three decimal places as needed.) b. Choose the correct answer below. O A Since the upper confidence limit of the interval for Restaurant B is higher than both the lower and upper confidence imits of the interval for Restaurant A, this indicates that Restaurant has a significantly higher percentage of orders OB. No conclusion can be made because not enough information is given about the confidence interval for Restaurant B. OC. The lower confidence imit of the interval for Restaurant Bis 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 Imt of the interval for Restaurant A. Therefore, Restaurant has a significantly higher percentage of orders that are OD. Since the two confidence intervals overlap, neither restaurant appears to have a significantly different percentage of orders that are not accurate that are not accurate. not acurate a Statcrunch 21 20 22 28 29 30 31 विलवल Next MacBook Air F2 OS GOO 74 45 # 16 2 N $ 3 %