What is adding and subtracting decimals
2 answers:
You might be interested in
Answer:
The probability that the sample mean will lie within 2 values of μ is 0.9544.
Step-by-step explanation:
Here
- the sample size is given as 100
- the standard deviation is 10
The probability that the sample mean lies with 2 of the value of μ is given as
Here converting the values in z form gives
Substituting values
From z table
So the probability that the sample mean will lie within 2 values of μ is 0.9544.
Answer:
<h2>c. 16.5</h2>Step-by-step explanation:
It's the right triangle.
The formula of an area of a right triangle:
Look at the picture.
We have
Substitute:
