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In ENJOY hotel, there are a total of 200 rooms. 160 rooms are ordinary-sized, and the rest are suites. For the ordinary-sized rooms, 80 of them have garden views while the remaining ones have sea views. All suites have sea views. An inspector will randomly inspect a room. (a) What is the probability that a randomly selected room is a suite? (b) Given that a room has sea view is selected, what is the probability that it is a suite? (c) What is the probability that the room is an ordinary-sized room, if this selected room has garden view? A senior inspector will inspect 10 rooms this week. (d) To have a fair representation, how many sea-view rooms and how many garden-view rooms should be inspected?

In ENJOY hotel, there are a total of 200 rooms. 160 rooms are ordinary-sized, and the rest are suites. For the ordinary-sized rooms, 80 of them have garden views while the remaining ones have sea views. All suites have sea views. An inspector will randomly inspect a room. (a) What is the probability that a randomly selected room is a suite? (b) Given that a room has sea view is selected, what is the probability that it is a suite? (c) What is the probability that the room is an ordinary-sized room, if this selected room has garden view? A senior inspector will inspect 10 rooms this week. (d) To have a fair representation, how many sea-view rooms and how many garden-view rooms should be inspected?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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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In ENJOY hotel, there are a total of 200 rooms. 160 rooms are ordinary-sized, and the rest are suites. For the ordinary-sized rooms, 80 of them have garden views while the remaining ones have sea views. All suites have sea views. An inspector will randomly inspect a room. (a) What is the probability that a randomly selected room is a suite? (b) Given that a room has sea view is selected, what is the probability that it is a suite? (c) What is the probability that the room is an ordinary-sized room, if this selected room has garden view? A senior inspector will inspect 10 rooms this week. (d) To have a fair representation, how many sea-view rooms and how many garden-view rooms should be inspected?
Transcribed Image Text:In ENJOY hotel, there are a total of 200 rooms. 160 rooms are ordinary-sized, and the rest are suites. For the ordinary-sized rooms, 80 of them have garden views while the remaining ones have sea views. All suites have sea views. An inspector will randomly inspect a room. (a) What is the probability that a randomly selected room is a suite? (b) Given that a room has sea view is selected, what is the probability that it is a suite? (c) What is the probability that the room is an ordinary-sized room, if this selected room has garden view? A senior inspector will inspect 10 rooms this week. (d) To have a fair representation, how many sea-view rooms and how many garden-view rooms should be inspected?
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