Answer: 0.4
Step-by-step explanation:
We know that the standard deviation of the sampling distribution of mean is given by:-

Given : Standard deviation : 
Sample size : n= 25
Then, the standard deviation of the sampling distribution of mean times will be :-

Hence, the standard deviation of the sampling distribution of mean times=0.4
<span>the quotient of 3968/32 is 124</span>
Answer:
H, 20%
Step-by-step explanation:
960/4,800 = 20/100
Answer: it amazing
Step-by-step explanation: