Answer:
35.6
Step-by-step explanation:
cos = adj/ hypt
cos (77) = 8/x
x = 8/cos (77) = 35.56
Answer:
The standard deviation of the sample mean differences is _5.23_
Step-by-step explanation:
We have a sample of a population A and a sample of a population B.
For the sample of population A, the standard deviation is
The sample size is:
.
For the sample of population B, the standard deviation is
The sample size is:
.
Then the standard deviation for the difference of means has the following form:
Finally
The answer is 12!
Hope this helps! :D
------The answers got taken down :(------
Answer:
No
Step-by-step explanation:
Plug in the x and y values and you should get 3<9
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Answer:
option A
x=15/2
Step-by-step explanation:
refer to the above attachment
sorry for the messy writing:^