Mathematics, 25.11.2020 01:00 micheleflorack
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Keeping car tires inflated is essential to safe driving. For one type of car tire, the tire pressure in pounds per square inch (psi) is assumed to be approximately Normal with a mean of 35 psi and a standard deviation of 2 psi. A tire is labeled as underinflated if its pressure is 32 psi or below. What percentage of tires are underinflated?
a. 2.28%
b. 6.68%
c. 93.32%
d. 97.72%
Answers: 3
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