Refer to the problem below. Use the empirical rule. For probability items, write your final answers in percentage form. A musical act expects the number of tickets sold for an upcoming concert to be normally distributed with a mean of 450 tickets and a standard deviation of 60 tickets. 1. Complete the following normal curve with the appropriate x-values. X 2. Determine P(390 < x < 450).* 3. What is the probability that less than 330 tickets are sold? 4. What is the probability that at least 510 tickets are sold? 5. What interval makes up 95% of the ticket sales?

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