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Answer:
A t-score of 2.0244 should be used to find the 99% confidence interval for the population mean
Step-by-step explanation:
The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So
df = 39 - 1 = 38
Now, we have to find a value of T, which is found looking at the t table, with 38 degrees of freedom(y-axis) and a confidence level of 0.99(). So we have T = 2.0244.
A t-score of 2.0244 should be used to find the 99% confidence interval for the population mean
The equation be x/100 28,600 = 33,500, then we get 17%.
Trevor's total employee benefits exists 17.1% of his gross pay.
Therefore, the correct answer is option d. 17.1.
<h3>How to find Trevor's total employee benefits?</h3>If you would like to know Trevor's total employee advantages, you can estimate this utilizing the subsequent steps:
To find the percentage of the total employee benefits x% of $28,600 exists $33,500.
To estimate the value of x, bring the variable to the left side and bring all the remaining variables to the right side. Simplify the values to estimate the result.
x/100 28,600 = 33,500
x = 33,500 100 / 28,600
x = 117.13% = 117%
117% - 100% = 17%
x = 17%
The correct result would be 17%.
Trevor's total employee benefits exists 17.1% of his gross pay.
Therefore, the correct answer is option d. 17.1.
To learn more about the value of x refer to:
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