words/minute. Find the probability that the printing machine prints less than129 words/minute.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 8E
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Suppose a large machine randomly prints words/minute for Book
production. It is known that the printing machine follows a normal distribution
with a mean of 132 words/minutes ounces and a standard deviation of 4
words/minute. Find the probability that the printing machine prints less
than129 words/minute.
a)0.3085
b)0.2266
c)0.4103
d)0.2874
Transcribed Image Text:Suppose a large machine randomly prints words/minute for Book production. It is known that the printing machine follows a normal distribution with a mean of 132 words/minutes ounces and a standard deviation of 4 words/minute. Find the probability that the printing machine prints less than129 words/minute. a)0.3085 b)0.2266 c)0.4103 d)0.2874
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