The table below shows the number of different types of faucets sold over three months and the total selling price of the items,
Number of Faucets Sold and Total Selling Price
Kitchen Sink
Bathroom Sink
Shower
15
8
17
12
8
24
25
21
January
February
March
7
Total Selling Price
$2,830
$3,450
$6,680
The company makes a profit of 15% on every faucet sold. What is the profit on one shower faucet?
$12.00
$13.50
$14.15
$18.00

Anull hypothesis states that the difference between 8 hours of sleep and 3 hours of sleep has no effect on the number of pictures a student will remember during a picture memory interface test (pmit). examining the mit database, an extremely small t-value of 0.1611 is found. this t-value is much smaller than the smallest t-value on the chart for p-value reference. from this information we can: select one: a. accept the null hypothesis because the p-value obtained shows that the difference between the two groups being tested is not statistically significant b. accept the null hypothesis because the p-value obtained was statistically significant c. reject the null hypothesis because of the p-value obtained d. reject the null hypothesis because the data obtained is statistically significant