The overhead reach distances of adult females are normally distributed with a mean of 200 cm and a standard deviation of 8.9 cm. a. Find the probability that an individual distance is greater than 212.50 cm. b. Find the probability that the mean for 15 randomly selected distances is greater than 198.70 cm. c. Why can the normal distribution be used in part (b), even though the sample size does not exceed 30? a. The probability is. (Round to four decimal places as needed.) b. The probability is - (Round to four decimal places as needed.) c. Choose the correct answer below. O A. The normal distribution can be used because the original population has a normal distribution. O B. The normal distribution can be used because the finite population correction factor is small. O C. The normal distribution can be used because the probability is less than 0.5 O D. The normal distribution can be used because the mean is large.
The overhead reach distances of adult females are normally distributed with a mean of 200 cm and a standard deviation of 8.9 cm. a. Find the probability that an individual distance is greater than 212.50 cm. b. Find the probability that the mean for 15 randomly selected distances is greater than 198.70 cm. c. Why can the normal distribution be used in part (b), even though the sample size does not exceed 30? a. The probability is. (Round to four decimal places as needed.) b. The probability is - (Round to four decimal places as needed.) c. Choose the correct answer below. O A. The normal distribution can be used because the original population has a normal distribution. O B. The normal distribution can be used because the finite population correction factor is small. O C. The normal distribution can be used because the probability is less than 0.5 O D. The normal distribution can be used because the mean is large.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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