priceisright11401
24.11.2021 •
Mathematics
I know the answer, I just need help on how to solve it. (Answer = 2401) What sample size is needed if the city officials want to estimate this proportion to within 2% with 95% confidence?
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Ответ:
16.8
Step-by-step explanation: if x= 15 and y =12 we know that y =.8 of x or 4/5 of x. Knowing this we can divide x (21) by 5 and get 4.2. We can then multiply this and get 16.8 which is 4/5 of x(21). y=16.8