3
QuizMultiple Choice

Population Proportion — Unit test

Question 3 of 15 • GCS 2023-2024 Math 3 Credit Recovery

The life spans of a computer manufacturer’s hard drives are normally distributed, with a mean of 3 years 6 months and a standard deviation of 9 months. What is the probability of a randomly selected hard drive from the company lasting between 2 years 3 months and 3 years 3 months? Use the portion of the standard normal table below to help answer the question.zProbability0.000.50000.230.59100.330.62930.670.74861.000.84131.330.90821.670.95252.000.9772

Answer
A
32%
B
37%
C
42%
D
95%
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