Answer:
A and B
Step-by-step explanation:
(x+p)(x+q)
x²+xq+px+pq
x²+(xq+px)+pq
where ( xq+px) =b
and p.q =c
Answer:
The confidence level is 0.98 and the significance is 
and 
and the critical value using the table is:
And replacing we got:
Step-by-step explanation:
For this case we have the following info given:
represent the population deviation
the sample size
represent the sample mean
We want to find the margin of error for the confidence interval for the population mean and we know that is given by:
The confidence level is 0.98 and the significance is and and the critical value using the table is:
And replacing we got:
Answer:
b. donations using text message
d. donations using email
Step-by-step explanation:
From the question, it is clear that the people who received these requests were assigned to two groups and these 2 were assigned treatments of if they make donations after either receiving email or text messages after which their respective proportions p1 and p2 are determined.
Answer:the answer is NO.
Step-by-step explanation:
Because the number 9, repeats itself in the domain.
Answer:
I believe its 17, this is a 90 degree angle, so 90-73=17
Step-by-step explanation:
