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It is known that 60% of customers will need additional maintenance on their vehicle when coming...

It is known that 60% of customers will need additional maintenance on their vehicle when coming in for an oil change. A random sample of 48 customers is taken.

What is the probability that more than 70% of customers in the sample will need additional maintenance?

Math   Statistics-And-Probability   
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Answer:-

Given that:-

It is known that 60% of customers will need additional maintenance on their vehicle when coming in for an oil change. A random sample of 48 customers is taken.

What is the probability that more than 70% of customers in the sample will need additional maintenance?

P=60% =0.6

n=48

We know that sampling distribution of sample proportion approximately normally distribution with

Probability that more than 70% of customers in the sample will need additional maintenance

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