Answer:
0.26 or C
Step-by-step explanation:
Basically you would do the sophomores that attended the jazz band concert (35) and divide that by the total number of students. (137) - - 35 ➗ 137 = .2554744526 round that to .26 or 0.26
Answer:
D
Step-by-step explanation:
Because, the biologist wants to find the difference between the population of trouts from two watershed,
$88.45, that is the price before tax
The probability is 0.1587.
The z-score associated with this is found using the formula
z = (X-μ)/σ = (100-90)/10 = 10/10 = 1.0
Using a z-table (http://www.z-table.com) we see that the area to the left of, less than, this is 0.8413. We want the area greater than, so we subtract from 1:
1 - 0.8413 = 0.1587
9514 1404 393
Answer:
5 1/2 inches
Step-by-step explanation:
The page is 16 -5 = 11 inches wider than the photo, so the margin on either side needs to be 11/2 = 5 1/2 inches.