Question: Please help with these! Please explain steps! Thank you! 3. The daily mileage of delivery trucks follows a Normal Distribution with a mean of 120

Please help with these! Please explain steps! Thank you!

3. The daily mileage of delivery trucks follows a Normal Distribution with a mean of 120 and a standard deviation of 18. In what percentile is a delivery truck that has a daily mileage of 147 miles? 4. Suppose that 50% of politicians are lawyers. Find the probability that of a random sample of 400 politicians, at least 47% are lawyers

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