Please answer all three parts and show all work. Thank you!
A cheap tire is said to have its tire wear (how long it lasts (in thousands of miles as N(30,12) (that is normal with μ =30, σ =12)
Find the probability that
1. A tire last between 29,000 and 33,000 miles
2. 40% of tires last less than how many miles?
3. 45% of tires last more than how many miles?
Answer:-
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