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MaRussiya [10]
1 year ago
5

Alayna worked 44 hours last week. Her hourly rate is $9.00. Alayna's gross pay for last week was $

Mathematics
2 answers:
Mama L [17]1 year ago
6 0

44 x 9 = $396.00

It's really that easy to find the answer. Hope you have a nice day!

Firlakuza [10]1 year ago
3 0

Answer: $396

Step-by-step explanation:

Given : The number of hours Alayna worked last week = 44 hours

Her hourly rate is $9.00.

To find the gross pay for last week, we need to multiply the number of hours she worked by the hourly rate.

Then,  Alayna's gross pay for last week=44\times9

i.e. Alayna's gross pay for last week= $396

Hence,  Alayna's gross pay for last week= $396

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Answer:

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In Right Angle Triangle ABC

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OR

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A doctor is measuring the average height of male students at a large college. The doctor measures the heights, in inches, of a s
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Answer:

For this case the  95% confidence interval is given (63.5 , 74.4) and we want to conclude about the result. For this case we can say that the true mean of heights for male students would be between 63.5 and 74.4. And the best answer would be:

b. The doctor can be 95% confident that the mean height of male students at the college is between 63.5 inches and 74.4 inches.

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Notation

\bar X represent the sample mean for the sample  

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s represent the sample standard deviation

n represent the sample size  

Solution to the problem

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

In order to calculate the mean and the sample deviation we can use the following formulas:  

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In order to calculate the critical value t_{\alpha/2} we need to find first the degrees of freedom, given by:

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