The following table provides a frequency distribution for the number of rooms in this country's housing units. The frequencies are in thousands. Rooms No. of units 1 527 2 1,439 3 10,988 4 23,331 5 27,945 6 24,601 7 14,655 8+ 17,206 A housing unit is selected at random. Find the following probabilities. a. Find the probability that the housing unit obtained has four rooms. The probability is ____________. (Round to three decimal places as needed.) b. Find the probability that the housing unit obtained has more than four rooms. The probability is ____________. (Round to three decimal places as needed.) c. Find the probability that the housing unit obtained has one or two rooms. The probability is ___________. (Round to three decimal places as needed.)
The following table provides a frequency distribution for the number of rooms in this country's housing units. The frequencies are in thousands. Rooms No. of units 1 527 2 1,439 3 10,988 4 23,331 5 27,945 6 24,601 7 14,655 8+ 17,206 A housing unit is selected at random. Find the following probabilities. a. Find the probability that the housing unit obtained has four rooms. The probability is ____________. (Round to three decimal places as needed.) b. Find the probability that the housing unit obtained has more than four rooms. The probability is ____________. (Round to three decimal places as needed.) c. Find the probability that the housing unit obtained has one or two rooms. The probability is ___________. (Round to three decimal places as needed.)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The following table provides a frequency distribution for the number of rooms in this country's housing units. The frequencies are in thousands.
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A housing unit is selected at random. Find the following probabilities.
a. Find the probability that the housing unit obtained has four rooms.
The probability is ____________.
(Round to three decimal places as needed.)
b. Find the probability that the housing unit obtained has more than four rooms.
The probability is ____________.
(Round to three decimal places as needed.)
c. Find the probability that the housing unit obtained has one or two rooms.
The probability is ___________.
(Round to three decimal places as needed.)
d. Find the probability that the housing unit obtained has fewer than one room.
The probability is ___________.
(Round to three decimal places as needed.)
e. Find the probability that the housing unit obtained has one or more rooms.
The probability is __________.
(Round to three decimal places as needed.)
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