Estimate the chances that all four last at least that long

Assignment Help Basic Statistics

Reference no: EM131401783

Tires:

A tire manufacturer believes that the tread life of its snow tires can be described by a Normal model with mean of 32,000 miles and a standard deviation of 2500 miles.

You buy four of these tires, hoping to drive them at least 30,000 miles. Estimate the chances that all four last at least that long.

Reference no: EM131401783

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