Answer:
Mean = 70,000 dollars
SD = 800 dollars
For Khan Academy
Step-by-step explanation:
Answer:
The number is 4
Step-by-step explanation:
Write algebraically:
n-5=-1
n=4
The number is 4
X=8
Set up proportions would give you: 10/3x+1 = 22/7x-1
With that in mind, cross multiply, which would give you: 10(7x-1) = 22(3x+1).
Turns into: 70x -10 = 66x+22. Then just solve for x
I took this test the answer is 92.
Answer:
5.13 % to the nearest hundredth.
Step-by-step explanation:
This is a Binomial Distribution .
The required probability
= 30C6 (0.33)^6 (0.67)^(30-6)
= 0.051345
