i just did this one it is d
Answer:
2/4
Step-by-step explanation:
yw
you gotta go point to point idk how to explain it
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.
<span>1 1/2 = 3/2
3 1/3 = 10/3
3/2 / 10/3 = 3/2 x 3/10 = 9/20
answer
unit rate = 9/20 pages per minute</span>