Answer: 17.89
Step-by-step explanation:
In binomial distribution, the standard deviation is given by :-
As per given , we have
The number of vouchers in the sample with errors is denoted by x.
p= 0.20 , n = 2000
Then , 
Hence, the standard deviation of x is 17.89.
Answer:
233.3 repeating mg
Step-by-step explanation:
Your teacher was really kind to give you the equation.
9x=2100
divide both sides by 9
we get x= 233.3 repeating mg
Answer:
ab-3a+5b-15
Step-by-step explanation:
Once again, FOIL is the way to go!
First, Outside, Inside, Last
ab-3a+5b-15
Neptune is about four times wider than Earth.
Answer:
Hope this helps at all. :)
