a Pew research center survey ask adults in the United States which technology would be very hard to give up the following responses were obtained internet 70% smartphone 60% email 30%, and landline 25%, If 2000 users have email or surveyed what is the expected number that will report that it would be very hard to give up? What is the variance and standard variation?

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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a Pew research center survey ask adults in the United States which technology would be very hard to give up the following responses were obtained internet 70% smartphone 60% email 30%, and landline 25%,

If 2000 users have email or surveyed what is the expected number that will report that it would be very hard to give up? What is the variance and standard variation?

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