Answer:
7
Step-by-step explanation:
Answer:
where is the graph once you upload it i will edit my answer
Step-by-step explanation:
Answer:
None of the first 4 do. so I guess the answers E.
Step-by-step explanation:
Answer:
Step-by-step explanation:
a)
Confidence interval in less than symbol expressed as

Where
is sample mean and
is margin of error.

b)
The given t interval is 
That is
and
Solve these two equation by adding together.
Solve this value of \bar{x} in equation
and solve for

Best point estimate of 
Best point estimate of margin of error = 0.193
c)
Since sample size = 100 which is sufficiently large (Greater than 30) , it is no need to confirm that
sample data appear to be form a population with normal distribution.
The least number of classes needed for all the students to be registered in a class is 21 classes.