Question

calculate the range, population variance, and population deviation for the following set of data.

5,11,12,12,13,14,16,16,16,17

MARINA MULLINS 3/16 Correct Question 2 of 9, Step 2 of 2 A quality conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective. Step 2 of 2 : Suppose a sample of 865 floppy disks is drawn. Of these disks, 796 were not defective. Using the data, construct the 95 % confidence interval for the population proportion of disks which are defective. Round your answers to three decimal places. Answer How to enter your answer | mm Tables 욺 Keypa Previous step ans Lower endpoint Upper endpoint

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Answer 1

Answer:

p =69 /865 = 0.0797

p(1-p)) Std. Error

p(1- p)) Confidence-interval-pti. Pann confidence-Inter"Ua =

z value for 95% confidence interval is 1.96

confidence interval = (0.0616 , 0.0977)

lower endpoint = 0.062 (approximately)

Upper endpoint = 0.098

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