5500 ft.
1700. ft.
1600. ft.
5500. ft.
Step-by-step explanation:
Population Mean (u) = 3.50
Sample (n)= 36
Sample mean (x) = 3.60
Population standard deviation (s)= 0.40
Test statistics:
(Null hypothesis) H0: u= 3.5 (Population mean is equal to 3.5)
(Alternate hypothesis) H1: u> 3.5 (Population mean is greater than 3.5)
Z=
=
=
= 1.5
critical value= Z0.05= 1.645 (From Z table)
Since, Z value is less than critical Z value that is Z<1.645
We cannot reject null hypothesis
So, we decide to reject that the mean GPA of graduates exceeds 3.50
Answer:
1,020
Step-by-step explanation:
That is correct you have it right so I think you're good
65 miles per hour
feet in a mile: 5,280 ft
65 divided by 60= 1.08 miles per minute
22 x 1.08 = 23.76 miles
23.76 mi x 5,280 ft = 125,452.8 ft in 22 minutes
X=-8 is your answer for this problem