Answer:
2.5
Step-by-step explanation:
t = 0.25
Substitute d with 100
t = 0.25 x (
)
A number to the half power is equal to the square root of a number.
Square root of 100 is 10: 
t = 0.25*10
t = 2.5
Hope this helps :)
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For this case we must indicate the correct sign between the following numbers:

We have to:

So, we have to 
Answer:

7 > z + 18 ≥ 6
Subtract 18 from all 3 parts:
7-18 > z +18 -18 ≥ 6-18
-11 > z ≥ -12
Answer:
The size of the sample is 23 scientists.
Answer:
all three sampling distributions appear to follow the normal distribution
Step-by-step explanation:
Sampling distribtuions follow a normal distribution.