Question: I need help understanding how to do this This was all the information given 9. A study of 1907 traffic fatalities found 725 of the

I need help understanding how to do this

This was all the information given

9. A study of 1907 traffic fatalities found 725 of the fatalities were alcohol related. a.) Find a point estimate for p. b.) Construct a 95% confidence interval for p c.) With no prior study available, what size sample should be taken if you wanted to be within 1.5% of the population proportion and 99% confident

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