In a certain photographic process of 100 prints, the developing time of prints may be looked upon as a random variable having the normal distribution with mean = 16.20 seconds and standard deviation=0.52 second. a) Find the probability that the time it takes to develop one of the prints will be at least 17 seconds. b) How many possible prints will be developed if the developing time is anywhere from 16 to 17 seconds
In a certain photographic process of 100 prints, the developing time of prints may be looked upon as a random variable having the normal distribution with mean = 16.20 seconds and standard deviation=0.52 second. a) Find the probability that the time it takes to develop one of the prints will be at least 17 seconds. b) How many possible prints will be developed if the developing time is anywhere from 16 to 17 seconds
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Question
In a certain photographic process of 100 prints, the developing time of prints may
be looked upon as a random variable having the normal distribution with mean =
16.20 seconds and standard deviation=0.52 second.
a) Find the probability that the time it takes to develop one of the prints will be at
least 17 seconds.
b) How many possible prints will be developed if the developing time is anywhere
from 16 to 17 seconds
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