Answer:
Each piece is 1.12 meters long
Step-by-step explanation:
7 equal pieces = divide x by 7
equation: 7.84 / 7
2.47 + 7.1
7.1 + 2.47
9.57-7.1
9.57-2.47
Answer:
Mean = 21.3
Standard Deviation = 2.48
Step-by-step explanation:
We are given the following in the question:
p = 71% = 0.71
Sample size, n = 30
We have to find the mean and the standard deviation of those that wear glasses.

Thus, the mean of those who wear glasses is 21.3

Thus, the standard deviation of those who wear glasses is 2.48
Answer:
3 terms. All of the numbers are considered terms.
Step-by-step explanation:
If it asked for variables, it would be 2.
Answer:
Check the attachment, then plug in values as needed
Step-by-step explanation: