The tread of a particular brand of tire is a random variablebest described by a

Question

1. The tread of a particular brand of tire is a random variablebest described by a normal distribution with a mean of 60,000 milesand standard deviation of 8,300 miles.

1. What is the probability that a random selected tire of thisbrand will have tread that will last longer than 53,775 miles?
2. What is the probability that a random selected tire of thisbrand will have tread that will last between 40,000 and 45,000miles?
3. What warranty for miles per tire tread should the company useif they want 96% of the tires to outlast the warranty?

1. What is the probability that a random selected tire of thisbrand will have tread that will last longer than 53,775 miles?
2. What is the probability that a random selected tire of thisbrand will have tread that will last between 40,000 and 45,000miles?
3. What warranty for miles per tire tread should the company useif they want 96% of the tires to outlast the warranty?

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