Answer:
34
Step-by-step explanation:
32+48+22=102
102/3=34
Answer:
z=-1.591
Step-by-step explanation:
Null Hypotheses,

So we use z-test for one population proportion (right-tailed test)
According to this informaton, we defined that

(critical value)
So our Rejection region is 

Not rejection.
They can help you find a common denominator by the bottoms of each fraction if the top ones don't have the same denominator.
11/3 - 2/3 = 9/3 = 3 so he spent 3 more hours reading on saturday than on friday
Hope this helps!
Answer:
Yes
Step-by-step explanation:
8 73/
100=8.73