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.
I can tell this activity is about graphing, but the writing is barely legible, can you re-upload the pictures or write it out?
10 hours seems like the most reliable answer because it matches up the best
Answer:
C. 450 in.2
Step-by-step explanation:
Answer:
The answer is 59 & 79
Step-by-step explanation:
59+79=138
79-20=59
59+20=79
