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3 years ago

Please Help i need good grades by friday

Mathematics

2 answers:

NeX [460]3 years ago

6 0

The answer is that since 25% is 25/100 it simplifies it to 1/4 so the answer is 1/4. Please mark me Brainiest

12345 [234]3 years ago

6 0

Answer:

Suppose you had 25% of a number x.

We know that 25% is also 1/4 of a value, like x.

Then if we multiplied that by 4 then we would get the value of x, or any number.

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3 years ago

Define the random variables X and X in words. X is the amount of time an individual waits at the courthouse to be called for ser

densk [106]

<u>Question</u>

Suppose that a committee is studying whether or not there is excessive time waste in our judicial system. It is interested in the mean amount of time individuals spend at the courthouse waiting to be called for jury duty. The committee randomly surveyed 81 people who recently served as jurors. The sample mean wait time was 4 hours with a sample standard deviation of 1.2 hours. Define the random variables X and $\bar{X}$ in words.

Answer:

(B)

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Step-by-step explanation:

The random variable X is the amount of time for which each of the prospective juror waits at the courthouse before being called for service.

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3 years ago