Answer:
The correct answer is 3.9%
Step-by-step explanation:
P : the probability of listening at work, is 17% or 0.17
Q : the probability of NOT listening at work, is 1 - 0.17, or 83% or 0.83
N : the sample size, is 91
The standard deviation of samples then is
So, the correct Option is A. 3.9%
v 39 degree
z 47 degree
x 94 degree
sry don't know about w and y....
Mean= Sumof all the numbers/ number of data
So,
23+37+11+58+13+45=187
Now...
187/6=31.166666667 Answer
hope it helps....