Assume that you walk in a park, and there are 5 types of flowers in the park. You pick at random 1 flower every 5 min as you walk in the park. (a) How long does it take on average when you get all 5 types of flowers in the park? (b) What is the variance of the time you spend on walking? Hint: the time you spend in the park is 5 N5, where N, is the total number of flowers you pick until you have 5 different flowers.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Assume that you walk in a park, and there are 5 types of flowers in the park. You pick at random 1
flower every 5 min as you walk in the park.
(a) How long does it take on average when you get all 5 types of flowers in the park?
(b) What is the variance of the time you spend on walking?
Hint: the time you spend in the park is 5 N,, where N, is the total number of flowers you pick until
you have 5 different flowers.
Transcribed Image Text:Assume that you walk in a park, and there are 5 types of flowers in the park. You pick at random 1 flower every 5 min as you walk in the park. (a) How long does it take on average when you get all 5 types of flowers in the park? (b) What is the variance of the time you spend on walking? Hint: the time you spend in the park is 5 N,, where N, is the total number of flowers you pick until you have 5 different flowers.
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