e probability that the number of successes is within ±2 standard deviations of the mean
e probability that the number of successes is within ±2 standard deviations of the mean
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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Question
***I already have the answers for parts a - c. I need help with part d) only***
Given a binomial distribution with n=13and p=0.45, obtain the values below.
a. the mean
b. the standard deviation
c. the probability that the number of successes is larger than the mean
d. the probability that the number of successes is within ±2 standard deviations of the mean
a. The mean of the binomial distribution is 5.85. (Type an integer or a decimal.)
b. The standard deviation of the binomial distribution is 1.7937. (Round to four decimal places as needed.)
c. The probability that the number of successes is larger than the mean is
0.5732 (Round to four decimal places as needed.)
***d. The probability that the number of successes is within ±2 standard deviations of the mean is ???
(Round to four decimal places as needed.)
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