Arts and crafts sales A local downtown arts and crafts shop found from past observation that 20%
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Arts and crafts sales A local downtown arts and crafts shop found from past observation that 20% of the people who enter the shop actually buy something. Three potential customers enter the shop.
a. How many outcomes are possible for whether the clerk makes a sale to each customer? Construct a tree diagram to show the possible outcomes.
1Let Y = sale, N = no sale.2
b. Find the probability of at least one sale to the three customers.
c. What did your calculations assume in part b? Describe a situation in which that assumption would be unrealistic.
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9781292164878
4th Global Edition
Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
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