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The amount of time (in minutes) that a party hat to wait to be seated in...

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Basic Math

The amount of time (in minutes) that a party hat to wait to beseated in a restaurant has an exponential distribution with a mean15. Find the probability that it will take between 10 and 20minutes to be seated for a table. If a party has already waited 10minutes for a table, what is the probability it will be at leastanother 5 minutes before they are seated? If the restaurant decidesto give a free drink to the top 10% of customers who have to waitthe longest, at least how long will a party have to wait in orderto get a free drink?

Answer & Explanation Solved by verified expert
4.1 Ratings (709 Votes)
The distribution given here isas the mean is the reciprocal of its parametera The probability that it will take between 10 and 20 minutesto be    See Answer
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