Answer:
Step-by-step explanation:
(-32)^3/5 =((-32)^1/5)^3 = (-2)^3 = -8. QED
Answer: The answer is (-7,12)
Step-by-step explanation:
137.2
30
$298.30
390
5970
3050
16
150
5500000
Answer:
c) .22
Step-by-step explanation:
We have that to find our level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of .
So it is z with a pvalue of , so
Now, find the margin of error M as such
In which is the standard deviation of the population and n is the size of the sample.
In this question:
Then
Answer: The detergent for <u><em>$5.50 for 96 oz</em></u> is better.
Step-by-step explanation:
128 ÷ $6.90 ≈ 18.55
96 ÷ $5.50 ≈ 17.45