Answer:
standard error of the mean = 1.6960
Step-by-step explanation:
Given -
Mean
= 53 minutes
Standard deviation ( s ) = 53.9 minutes
n = 1010
standard error of the mean =
=
= 
= 1.6960
Answer:
The answer is 4143. 36 but I don't know why there are fractions
Step-by-step explanation:
Each one would be 5 minutes because 2 1/2 Times 4 = 10 minutes. You would have 20 minutes remaining so divide 20 by how many segments there are, which is 4 to get 5
Answer:
#4 y=-0.5(x-4)^2+1
Step-by-step explanation: