Answer:
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 138
Average = 32.6 inch
Population variance,

We have to find a point estimate for the population variance of the height.
The point estimate for the population variance is the population variance itself.

Thus, the point estimate of population variance is the population variance that is 2.8.
Answer:
Step-by-step explanation:
a. 5 3/6 - 1 2/6 = 4 1/6
b. 8 9/12 - 5 10/12
7 21/12 - 5 10/12= 2 11/12
Answer: $25 spent
Step-by-step explanation: the boy spent $15/total.
15/total=3/8
Divide by common factor: $15/3=$5 (1/8 total money
$5x8=$40
$40-$15=$25 spent
Answer:
3\16
Step-by-step explanation:
movement of snail per hour,1/8×3/2=3/16
Answer:
Answer 1:
2,147,616
Answer 2:
5,145,330
Answer 3:
3,758,328
Answer 4:
8,157,958
Step-by-step explanation:
These are all correct i got 10/10.