Answer:
follows are the solution to this question:
Step-by-step explanation:
Please find the correct question in the attached file:
The formula for calculating the Confidence interval of proportion:


The number of learners with access to working at home on a computer:

Lower limit =0.48
upper limit = 0.60


Answer:
it is your answer..... if it is helpful plzz like and comment
So 20=80%'
% means out of 100 so
80%=80/100 so
20=80/100
we try to get to 100/100 so
20=80/100
5=20/100
5 times 20=100 so
25=100/100
there were 25 questions total
Answer:
She will get $275.50 in return
Step-by-step explanation:
250 x 1.03 = 257.50