In: Statistics and Probability
New York City is the most expensive city in the United States for lodging. The mean hotel room rate is $204 per night (USA Today, April 30, 2012). Assume that room rates are normally distributed with a standard deviation of $55. Use Table 1 in Appendix B. a. What is the probability that a hotel room
costs $225 or more per night (to 4 decimals)? b. What is the probability that a hotel room costs less than $139 per night (to 4 decimals)? c. What is the probability that a hotel room costs between $200 and $300 per night (to 4 decimals)? d. What is the cost of the 20% most expensive
hotel rooms in New York City? Round up to the next dollar. |