Answer:
8
Step-by-step explanation:
it is positive 8 because the negative outside the parenthesis cancels out the -3 making it positive now give me brainliest
Answer:
B, C, E
Step-by-step explanation:
This is correct. Trust me.
Answer:
x = 2
Step-by-step explanation:
Answer:
The minimum sample size required to ensure that the estimate has an error of at most 0.14 at the 95% level of confidence is n=567.
Step-by-step explanation:
We have to calculate the minimum sample size n needed to have a margin of error below 0.14.
The critical value of z for a 95% confidence interval is z=1.96.
To do that, we use the margin of error formula in function of n:

The minimum sample size to have this margin of error is n = 567.
A = bh
60 in.² = b(4)
60/4 = b
b = 15 inches
Hope this helped!