2 The random variable X- Po(45). Use a suitable approximation to estimate: a P(X< 40) b P(X> 50) e P(43 < X<52)

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Since the first question has been solved, please solve the second question. Thank you!

A newspaper article reported that 320 people in one state were surveyed and 80% were opposed to a recent court decision. The same article reported that a similar survey of 510 people in another state indicated opposition by only 30%. Construct a 99% confidence interval of the difference in population proportions based on the data. The 99% confidence interval of the difference in population proportions is ( (Round to four decimal places as needed.)

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