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An auto sprayer works on slightly used cars imported from Republic of South Korea. Based on the old nature of the spraying shop, there are usually scratches on the cars sprayed. The average number of scratches on a typical car is 2. In a day, 9 cars were sprayed with new auto paints. Determine the probability that: i. At least 2 scratches occur on the cars. ii. More than 3 scratches occur on the cars. iii. Between 3 and 5 inclusive scratches occur on the cars.

An auto sprayer works on slightly used cars imported from Republic of South Korea. Based on the old nature of the spraying shop, there are usually scratches on the cars sprayed. The average number of scratches on a typical car is 2. In a day, 9 cars were sprayed with new auto paints. Determine the probability that: i. At least 2 scratches occur on the cars. ii. More than 3 scratches occur on the cars. iii. Between 3 and 5 inclusive scratches occur on the cars.

A First Course in Probability (10th Edition)
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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Question 5 An auto sprayer works on slightly used cars imported from Republic of South Korea. Based on the old nature of the spraying shop, there are usually scratches on the cars sprayed. The average number of scratches on a typical car is 2. In a day, 9 cars were sprayed with new auto paints. Determine the probability that: i. At least 2 scratches occur on the cars. ii. More than 3 scratches occur on the cars. iii. Between 3 and 5 inclusive scratches occur on the cars.
Transcribed Image Text:Question 5 An auto sprayer works on slightly used cars imported from Republic of South Korea. Based on the old nature of the spraying shop, there are usually scratches on the cars sprayed. The average number of scratches on a typical car is 2. In a day, 9 cars were sprayed with new auto paints. Determine the probability that: i. At least 2 scratches occur on the cars. ii. More than 3 scratches occur on the cars. iii. Between 3 and 5 inclusive scratches occur on the cars.
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