Answer:
4
Step-by-step explanation:
80 - 47.08 = 32.92
32.92/8.23 = 4
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:
57 mph
Step-by-step explanation:
just devide 342 by 6
Answer:
7.5
Step-by-step explanation:
Answer:
2 1/14
Step-by-step explanation:
First, we will equalize the denominators of the fractions.
(1/7) × 2 = 2/14
Then we can solve this equation.
2 2/14 - 1/14 = 2 1/14