To answer (a), we will need to find the Z value for 710 hours and 990 hours.


B) 68% of data lies between one standard deviation of the mean.
850 +70 = 920
850 - 70 = 780
Answer: 11 because the distance between A-B is 8 so because it says it on top, then add 3 to it from B to C
Send it to me and I'd be happy to help! :)
Answer:
The only common term is 33.
Step-by-step explanation:
We are given the following in the question:
Sequence 1:

Sequence 2:

Equating the two terms, we get,

Since, n cannot take a negative value, we get n = 4.
Thus, there is only 1 common term both the series have for n = 4.
Common term:

Thus, the only common term is 33.
Answer:
21
Step-by-step explanation: