Answer:
D.2.58
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
.
That is z with a pvalue of
, so Z = 2.58.
The answer is given by option D.
Answer:
The answer would be 9(3+4)
Step-by-step explanation:
9(3+4)
= 9(3) + 9(4)
= 27 + 36
Answer:
- The store sold 733 gallons of ice cream last month.
- The store sold 748 pounds of broccoli last month.
Step-by-step explanation:
Given




Solving (a): Gallons of Ice Cream
<em>Let Gallons sold last month be G1; Gallons sold this month be G2;</em>
The relationship between both is:

Substitute 623 for G2




Divide through by 0.85



Solving (b): Pounds of Broccoli
<em>Let Pounds sold last month be P1; Pounds sold this month be P2;</em>
The relationship between both is:

Substitute 912 for P2




Divide through by 1.22



Step-by-step explanation:
A special relationship where each input has a single output. It is often written as "f(x)" where x is the input value. Example: f(x) = x/2 ("f of x equals x divided by 2") It is a function because each input "x" has a single output "x/2": • f