Mathematics, 24.03.2020 20:48 ghari112345
It is known that the amounts of time required for room-service delivery at a certain Marriott Hotel are Normally distributed with the average delivery time of 20 minutes. Answer the following questions. Question 1 (3 points). In case a random sample of 11 deliveries was selected and the standard deviation of these delivery times was found to be 7.87 minutes, find the probability that their average delivery time is less than 23 minutes.
Answers: 3
Mathematics, 21.06.2019 16:30
Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?
Answers: 3
Mathematics, 21.06.2019 20:30
Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?
Answers: 1
It is known that the amounts of time required for room-service delivery at a certain Marriott Hotel...
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