Answer:
idk if there are other options, but none of these would be the answer
Step-by-step explanation:
-2 + 6 = 4
-2 + -6= -8
2 -6 = -4
Answer:
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = 108
Sample mean,
= 107
Sample size, n = 110
Alpha, α = 0.02
Population standard deviation, σ = 7
Formula:
Putting all the values, we have

The test statistic is -1.50
Answer:
7 markers cost $8.95
Step-by-step explanation:
9x = 11.50
x = 11.5/9 = 1.278
Therefore, 7 markers, or 7x = 7(1.278) = 8.946
25^2-13^2=456
456 square root is 21.354...
21