Answer:
Step-by-step explanation:
<u>Shaded region (blue) is the difference of areas of big and small triangles</u>
- A = 1/2(16*12 - 10*6) = 66 cm²
<em>The answer options are incorrect</em>
Gross pay = 765
federal withholding tax = 68
Social security tax = 765 * 6.2% = 47.43
Medicare tax = 765 * 1.45% = 11.09
State tax (22% of federal tax) = 68 * 22% = 14.96
765 - 68 - 47.43 - 11.09 - 14.96 = 623.52
<span>Lauren's net pay is 623.52 so the answer is D.</span>
Step-by-step explanation:
Confidence interval = mean ± margin of error
CI = μ ± ME
The mean is μ = 8.7.
Margin of error = critical value × standard error
ME = CV × SE
At 95% confidence and 9 degrees of freedom, CV = 2.262.
SE = s / √n
SE = 3.3 / √10
SE = 1.04
The margin of error is:
ME = 2.262 × 1.04
ME = 2.36
CI = 8.7 ± 2.36
CI = (6.34, 11.06)
