A university department administers a survey, regarding student satisfaction. Based on the survey results, the department provides a confidence interval

estimate of 60% to 80% for student satisfaction. If the department wishes to

construct a confidence interval that more accurately represents the

proportion of student satisfaction, how should the design be altered?

A. Use a smaller confidence level

B. Use a smaller sample size

C. Use a larger confidence level

D. Use a larger sample size

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.

18.75 gallons

step-by-step explanation:

it is x=-4

step-by-step explanation:

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d