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Answer to Question #122558 in Statistics and Probability for David
Question #122558
Consider the 300 households surveyed in the DASCO Electronics example that actually
purchased a large screen Television. These respondents were asked to identity how the
purchased was transacted
Type of Purchase No. of Respondent
In store 183
Internet 87
Mail Order 30
Calculate the probability of picking a household that purchased the television via Internet or
by Mail order if the one respondent is randomly selected from a sample of 300 household.
purchased a large screen Television. These respondents were asked to identity how the
purchased was transacted
Type of Purchase No. of Respondent
In store 183
Internet 87
Mail Order 30
Calculate the probability of picking a household that purchased the television via Internet or
by Mail order if the one respondent is randomly selected from a sample of 300 household.
Expert's answer
P=(87+30)/300=0.39
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Comments
The number 87 is the number of respondents purchased the television via Internet. The number 30 is the number of respondents purchased the television by Mail order. The number (30+87) is the number of respondents purchased the television via Internet or by Mail order. The number 300 is the total number of respondents in the sample. The required probability (87+30)/300 is computed by the classical definition of probability.
Details of the above answer please
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