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A market research firm is interested in surveying certain attitudes in a small community. There are 125 households broken down according to income, ownership of a mobile and ownership of a Laptop. Households with annual income of Households with annual income above . $ 1,80,000 $ 1,80,000 or less Mobile Subscriber No Mobile Mobile Subscriber No Mobile Own Laptop set 27 20 18 10 No Paptop set 18 10 12 10 () What is the probability of obtaining a laptop owner in drawing at random Lio If a household has income over $ 1,80,000 and is a mobile subscriber, what is the probability that he has a laptop? (ii) What is the conditional probability of drawing a household that owns a laptop, given that the household is a mobile subscriber? li) Are the events 'ownership of a laptop' and 'mobile subscriber' statistically independent ? Comment.

A market research firm is interested in surveying certain attitudes in a small community. There are 125 households broken down according to income, ownership of a mobile and ownership of a Laptop. Households with annual income of Households with annual income above . $ 1,80,000 $ 1,80,000 or less Mobile Subscriber No Mobile Mobile Subscriber No Mobile Own Laptop set 27 20 18 10 No Paptop set 18 10 12 10 () What is the probability of obtaining a laptop owner in drawing at random Lio If a household has income over $ 1,80,000 and is a mobile subscriber, what is the probability that he has a laptop? (ii) What is the conditional probability of drawing a household that owns a laptop, given that the household is a mobile subscriber? li) Are the events 'ownership of a laptop' and 'mobile subscriber' statistically independent ? Comment.

MATLAB: An Introduction with Applications
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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A market research firm is interested in surveying certain attitudes in a small community. There are 125 households broken down according to income, ownership of a mobile and ownership of a Laptop. Households with annual income of Households with annual income above . $ 1,80,000 $ 1,80,000 or less Mobile Subscriber No Mobile Mobile Subscriber No Mobile Own Laptop set 27 20 18 10 No Paptop set 18 10 12 10 () What is the probability of obtaining a laptop owner in drawing at random Ú) If a household has income over $ 1,80,000 and is a mobile subscriber, what is the probability that he has a laptop? (ii) What is the conditional probability of drawing a household that owns a laptop, given that the household is a mobile subscriber? lin Are the events 'ownership of a laptop' and 'mobile subscriber' statistically independent ? Comment.
Transcribed Image Text:A market research firm is interested in surveying certain attitudes in a small community. There are 125 households broken down according to income, ownership of a mobile and ownership of a Laptop. Households with annual income of Households with annual income above . $ 1,80,000 $ 1,80,000 or less Mobile Subscriber No Mobile Mobile Subscriber No Mobile Own Laptop set 27 20 18 10 No Paptop set 18 10 12 10 () What is the probability of obtaining a laptop owner in drawing at random Ú) If a household has income over $ 1,80,000 and is a mobile subscriber, what is the probability that he has a laptop? (ii) What is the conditional probability of drawing a household that owns a laptop, given that the household is a mobile subscriber? lin Are the events 'ownership of a laptop' and 'mobile subscriber' statistically independent ? Comment.
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