CAN SOMEONE FIND THE DECENCY OUT OF THEIR DAY TO ANSWER THIS, THIS IS THE 8TH TIME IM ASKING THIS QUESTION CUZ EVERYONE IGNORES
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Answer:
The probability that all will last at least 30,000 miles is 0.3164.
Step-by-step explanation:
Consider the provided information.
For a particular tire brand, the probability of wearing out before 30,000 miles is 0.25. Someone who buys a set of four of these tires,
That means the probability of not wearing out is 1-0.25 = 0.75
Now use the binomial distribution formula.
Substitute p = 0.25, q=0.75, r=4 and n=4
The probability that all will last at least 30,000 miles is 0.3164.