a) What is the probability that exactly two of the selected bulbs are rated 23-watt? b) What is the probability that all three of the bulbs have the same rating? [ c) What is the probability that one bulb of each type is selected?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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Question 2a. [
A box contains 17 lightbulbs, of which 6 are rated 13-watt, 5 are rated 18-watt, and 6 are rated
23-watt. Suppose that three of these bulbs are randomly selected.
a) What is the probability that exactly two of the selected bulbs are rated 23-watt?
b) What is the probability that all three of the bulbs have the same rating? [_
c) What is the probability that one bulb of each type is selected?
3]
Transcribed Image Text:Question 2a. [ A box contains 17 lightbulbs, of which 6 are rated 13-watt, 5 are rated 18-watt, and 6 are rated 23-watt. Suppose that three of these bulbs are randomly selected. a) What is the probability that exactly two of the selected bulbs are rated 23-watt? b) What is the probability that all three of the bulbs have the same rating? [_ c) What is the probability that one bulb of each type is selected? 3]
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