Let the random variable ? be the number of rooms in a randomly chosen owner-occupied housing unit in a certain city. The distribution for the units is given below. ? 3 4 5 6 7 8 9 10 ?(?) 0.09 0.23 0.40 0.17 0.04 0.04 0.02 ? (a) Is ? a discrete or continuous random variable? (Type: DISCRETE or CONTINUOUS) ANSWER: (b) What must be the probability of choosing a unit with 10 rooms??(X=10) (c) What is the probability that a unit chosen at random has between four and six rooms? ?(4≤?≤6) (d) What is the probability that a unit chosen at random has less than five rooms? ?(?<5) (e) What is the probability that a unit chosen at random has three rooms? ?(?=3)
Let the random variable ? be the number of rooms in a randomly chosen owner-occupied housing unit in a certain city. The distribution for the units is given below. ? 3 4 5 6 7 8 9 10 ?(?) 0.09 0.23 0.40 0.17 0.04 0.04 0.02 ? (a) Is ? a discrete or continuous random variable? (Type: DISCRETE or CONTINUOUS) ANSWER: (b) What must be the probability of choosing a unit with 10 rooms??(X=10) (c) What is the probability that a unit chosen at random has between four and six rooms? ?(4≤?≤6) (d) What is the probability that a unit chosen at random has less than five rooms? ?(?<5) (e) What is the probability that a unit chosen at random has three rooms? ?(?=3)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Let the random variable ? be the number of rooms in a randomly chosen owner-occupied housing unit in a certain city. The distribution for the units is given below.
| ? | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| ?(?) | 0.09 | 0.23 | 0.40 | 0.17 | 0.04 | 0.04 | 0.02 | ? |
(a) Is ? a discrete or continuous random variable? (Type: DISCRETE or CONTINUOUS)
ANSWER:
(b) What must be the probability of choosing a unit with 10 rooms??(X=10)
(c) What is the probability that a unit chosen at random has between four and six rooms? ?(4≤?≤6)
(d) What is the probability that a unit chosen at random has less than five rooms? ?(?<5)
(e) What is the probability that a unit chosen at random has three rooms? ?(?=3)
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