Step-by-step explanation:
<u>Step 1: Convert improper fraction into a mixed number</u>




Answer: 
<h3><u>Eight can only go into 20 </u><u>
two </u><u>full times.</u></h3>
8 * 2 = 16
16 + 8 = 24 ≠ 20
Answer:
The value of test statistic is -2.
Step-by-step explanation:
The following information is missing in the question.
The population mean is 12 minutes.
We are given the following in the question:
Population mean, μ = 12 minutes
Sample mean,
= 8 minutes
Sample size, n = 36
Population standard deviation, σ = 12 minutes
Formula:
Putting all the values, we have
The value of test statistic is -2.
Answer: Mary needs to pay $99.36 after using the discount coupon.
Step-by-step explanation:
Find 8% of the total items price and subtracted it from the original price to find the amount she needs to pay after the discount.
8% of 108 = 8.64
108 - 8.64 = 99.36
So $99.36 will be left to pay after using the coupon.