Answer:
16
Step-by-step explanation:
square units. Hope this helps!
I believe four is the right answer to the problem
b
Step-by-step explanation:
because it will be right always because if you mutiply all of them then you get your right answer
Answer:
Option C
Step-by-step explanation:
Given that for a random sample of 20 houses selected from a city showed that the mean size of these houses is 1880 square feet with a standard deviation of 320 square feet.
X, the sizes of houses is Normal
Hence sample mean will be normal with
Mean = 1880
and std dev = 
For 90% confidence interval critical value for t with degree of freedom 19 is
1.328
Confidence interval upper bound
= mean + margin of error
= 
Option C is right
Answer:
The number of questions he finished will be q.
37 + q = 78
rewrite this
78 - 36 = q
solve
78 - 36 = 42