"The sum of r and 7" can be represented as r + 7
Answer: 8359
Step-by-step explanation:
The formula for sample size needed for interval estimate of population proportion :-

Given : The significance level : 
Critical value : 
Previous estimate of proportion : 
Margin of error : 
Now, the required sample size will be :-

Hence, the required sample size = 8359
the answer is C, because you solve 2.815-749, and after you divide the result per 4, so it is 1/4
Answer:
The answer is 5300 units.
Step-by-step explanation:
The equation will be exactly lie below if the price is 5$:

Roots of the parabol will be:

In fact that there will be no negative production, The consumer surplus will be 5300 units
Answer:
4
Step-by-step explanation:
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