John spent $75 on a shopping trip for new clothes last week. He had expected to spend $100 on clothes. How much was the error in
1 answer:
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The correct answer is the first option - ninth root of x squared.
To see how I got that answer, take a look at the attachment below.
To see how I got that answer, take a look at the attachment below.
Answer:
Step-by-step explanation:
Given
--- rate of hard disk drives failure
--- number of hard disk drives
<em>See comment for complete question</em>
Required
First, calculate the probability that the none of the 4 selected is working;
Using the complement rule, the probability that at least 1 is working is:
This gives: