Problem 7 A mall is promoting an event of sales. Every $10 a customer spends can get a fortune ticket. Each ticket has a chance of 0.08 to win a gift. How much should a customer spend, so that the probability of getting at least one gift is 0.95. Perform our calculation use normal approximation with continuous correction.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Problem 7 A mall is promoting an event of sales. Every $10 a customer spends can get a fortune ticket.
Each ticket has a chance of 0.08 to win a gift. How much should a customer spend, so that the probability
of getting at least one gift is 0.95. Perform our calculation use normal approximation with continuous
correction.
Transcribed Image Text:Problem 7 A mall is promoting an event of sales. Every $10 a customer spends can get a fortune ticket. Each ticket has a chance of 0.08 to win a gift. How much should a customer spend, so that the probability of getting at least one gift is 0.95. Perform our calculation use normal approximation with continuous correction.
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