C K. 2. EXERCISE 1 A certain type of storage battery lasts, on average, 3.0 years with a variance of 0.25 year. O If the battery lives are normally distributed, find the probability that a given battery will last less than 2.3 years. 6. 7 8. 10 11 12 13 Solution: 14 15 16 17 18 19 20 22

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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C
K
1.
EXERCISE 1
A certain type of storage battery lasts, on average, 3.0 years with a variance of 0.25 year.
O If the battery lives are normally distributed, find the probability that a given battery will last
less than 2.3 years.
7.
8.
10
11
12
Solution:
14
15
16
17
18
19
20
21
22
Transcribed Image Text:C K 1. EXERCISE 1 A certain type of storage battery lasts, on average, 3.0 years with a variance of 0.25 year. O If the battery lives are normally distributed, find the probability that a given battery will last less than 2.3 years. 7. 8. 10 11 12 Solution: 14 15 16 17 18 19 20 21 22
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