Answer:
top dot 1 1/4
bottom dot -1 1/2
Step-by-step explanation:
See I'm not sure if it was those dots on the picture
Answer:-1.25 or 1 and 1/4
Step-by-step explanation:
Answer: a) 453 b) 1537
Step-by-step explanation:
As per given , we have
Margin of error : E= 0.025
Critical value for 95% confidence interval :
a) The prior estimate of population proportion : p=0.08
Required sample size :-
The minimum sample size is 453 U.S. adults.
b) Since the prior estimate of population proportion is not available , so we take p= 0.5
Required sample size :-
The minimum sample size is 1537 U.S. adults.