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A car is designed to last an average of 12 years with a standard deviation of 0.8 years. What is the probability that a car will last less than 10 years?.

A car is designed to last an average of 12 years with a standard deviation of 0.8 years. What is the probability that a car will last less than 10 years?.
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A car is designed to last an average of 12 years with a standard deviation of 0.8 years. What is the probability that a car will last less than 10 years?.

User Diogo
by
9.0k points

2 Answers

5 votes

Answer:

0.621%

Step-by-step explanation:

User Szczad
by
8.4k points
5 votes
-2,5SD = 2.1%
first u need to find number of standard deviations and look up on table what percentage that is
User Prasanna Anbazhagan
by
7.9k points
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