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...


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

Extracted 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?

Jun 11, 2022
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