Answer:
A
Step-by-step explanation:
Its a open circle whick makes its A because thats the answer
The quantity demanded would increase due to the cheaper price people would want to take advantage and buy it when it was on sale. There is not enough information to determine whether the supply or demand would maintain so D is your answer.
The next step in this problem would be to subtract 12 form both sides. This would result in:
-4x = - 16
Then you would divide each side by -4.
x = 4
This would be your answer.
Answer:
Step-by-step explanation:
Given that an advertiser wishes to estimate the proportion of adults in Utah who already own a gym membership.
Confidence level wanted = 90%
Critical value Z for 90% = 1.645
p is not known hence for maximum std error we know p =0.5
Let us take p =0.5
Margin of error =
Sample size can be 68