A newspaper wants to predict the outcome of an election by estimating the proportion of voters who support the construction of a mall in Elk Grove. A previous survey done earlier in the year found that 67% of voters support the construction of the mall. What sample size is needed if the newspaper wants the estimate to be within 3% with 99% confidence?

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step-by-step explanation:

answer: 2530

hope this

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies

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