Answer:
y=4
Step-by-step explanation:
Answer:
a, b, d
Step-by-step explanation:
its one of those
I would say that the answer is (-0.5,1).
Hope this helped!
Answer:
The required interval is (26.23 , 27.37)
Step-by-step explanation:
The mean is = 26.8
The standard deviation is = 7.42
n = 654
At 95% confidence interval, the z score is 1.96
To find the desired interval we will calculate as:

And 
and 
= 27.37 and 26.23
So, the required interval is (26.23 , 27.37)
Answer:
7.9
Step-by-step explanation: