Hey there,

Question : Determine the time needed to deliver 72 papers at a rate of 9 papers in 18 minuets

Answer :
9 papers = 18 min
1 paper = 18 / 9
= 2 min
72 papers = 2 x 72
= 144 mins

Hope this helps :))

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3 0

2 years ago

What is 7.13×10 to the fifth power in standard form

horrorfan [7]

713000 is your answer

4 0

2 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]

Question

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)

X is the amount of time an individual waits at the courthouse to be called for service.
$\bar{X}$ is the mean wait time for a sample of individuals.

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.

$\bar{X}$ is the mean wait time for a the given sample of individuals. In the case given,

5 0

2 years ago

Encuentre la suma: 564 + 3,598 =? 3,034 4,052 4,162 9,238

Scrat [10]

The answer is 4,162 for 564+3,598

5 0

3 years ago