Answer:
-1
Step-by-step explanation:
y-1=-3
y=-2
.:1/2y=1/2(-2)=-1
Answer:
0, 5
Step-by-step explanation:
I am not shure that is right but I think an ordered pair is form of a funtion.
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:

Step-by-step explanation:
Given

Required
Solve for x

Open all brackets




Collect like terms


Solve fraction


Multiply both sides by 6


