Answer:
its 30
Step-by-step explanation:
if you see the x is in the middle of the line meaning its 30
Answer:
We want to verify if the true proportion of the alumni provide monetary contributions is higher than 0.15 (Alternative hypothesis), the system of hypothesis are.:
Null hypothesis:
Alternative hypothesis:
And the best answer for this case would be:
Ha: p > 0.15
Step-by-step explanation:
Information given
n=250 represent the random sample taken
X=40 represent the number of people on the alumni mailing list
estimated proportion of people on the alumni mailing list
is the value to verify
z would represent the statistic
represent the p value
Hypothesis to test
We want to verify if the true proportion of the alumni provide monetary contributions is higher than 0.15 (Alternative hypothesis), the system of hypothesis are.:
Null hypothesis:
Alternative hypothesis:
And the best answer for this case would be:
Ha: p > 0.15
Complementary angles will add up to be 90°, none of these answers add together to be 90 so I’m unsure.
6xY + 6x7= 6y+42
2xY - 2x3= 2y-6
6y+42=2y-6 solve for y...
y= -12
7 M
--- = ----
9 27
cross multiply (7*27=189) and divide (189/9=21)
M = 21