In a hotel, suppose 70% of the rooms have showers and 30% have baths. 20% of the rooms with showers are painted blue and 30% of the rooms with baths are painted blue. a) If a room is chosen at random from the hotel, what is the probability that the room is painted blue? b) If a randomly chosen room is blue, what is the probability the room has a shower?

In a hotel, suppose 70% of the rooms have showers and 30% have baths. 20% of the rooms with showers are painted blue and 30% of the rooms with baths are painted blue. a) If a room is chosen at random from the hotel, what is the probability that the room is painted blue? b) If a randomly chosen room is blue, what is the probability the room has a shower?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.8: Probabilities Of Disjoint And Overlapping Events

Problem 2C

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