Step-by-step explanation:
yea the answer us 8dj but u jejrjfjfjdjdjjfjfjcj
Answer:
not sure for the 1st one but pretty sure 2nd one is B
Step-by-step explanation:
5.25 + 2.25 = 7.50 MB
x/100 x (7.50) = 5.25
7.50x/100 = 5.25
7.50x = 5.25(100)
7.50x = 525
x = 525/7.50
x = 70
Hence, 70% of the application has already been downloaded.
Answer:
The answer to this is A.) 8/17
Answer:
The z-distribution should be used for this problem.
Step-by-step explanation:
The population distribution is assumed to be normal. Which distribution to use?
If we have the standard deviation for the sample, we use the t-distribution.
If we use the standard deviation for the population, we use the z-distribution.
There is a known standard deviation of 2.2 minutes.
This means that 2.2 is the population standard deviation, and thus, the z-distribution should be used for this problem.
