1. The iPhone battery capacity is normally distributed with a mean of 4 years and a standard deviation of 10 months. What is the probability that a randomly selected battery will last more than 5 years? Answer: b. What percentage of batteries will last between 5 and 6 years? Answer: What percentage of batteries will last less than 4 years? Answer: d. What percentage of batteries will last between 2.5 and 4.5 years? Answer:
1. The iPhone battery capacity is normally distributed with a mean of 4 years and a standard deviation of 10 months. What is the probability that a randomly selected battery will last more than 5 years? Answer: b. What percentage of batteries will last between 5 and 6 years? Answer: What percentage of batteries will last less than 4 years? Answer: d. What percentage of batteries will last between 2.5 and 4.5 years? Answer:
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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Transcribed Image Text:1. The iPhone battery capacity is normally distributed with a mean of 4 years and a standard
deviation of 10 months.
a.
What is the probability that a randomly selected battery will last more than 5 years?
Answer:
b. What percentage of batteries will last between 5 and 6 years?
Answer:
c.
What percentage of batteries will last less than 4 years?
Answer:
d. What percentage of batteries will last between 2.5 and 4.5 years?
Answer:
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