Answer:
C is a function... all the others are not functions since it doesn't pass the line test.
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
Answer:
There is not sufficient evidence to conclude that the fund has moderate risk at the a = 0.01 level of significance
Step-by-step explanation:
H0: sigma= 66%
Ha:sigma < 66%
Chi square =(28-1)*2.82^2/66^2=0.049
p value =0.286
as p value>0.01 we do not can reject H0
So there is not sufficient evidence to conclude that the fund has moderate risk at the a = 0.01 level of significance
The first one is the answer