Mathematics, 13.07.2019 17:50 hunterbrod71
When an opinion poll calls landline telephone numbers at random, approximately 30% of the numbers are working residential phone numbers. the remainder are either non-residential, non-working, or computer/fax numbers. you watch the random dialing machine make calls. x is the number of calls until the first working residential number is reached. does x have a binomial distribution? give your reasons?
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The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?
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Mathematics, 21.06.2019 22:50
1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?
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When an opinion poll calls landline telephone numbers at random, approximately 30% of the numbers ar...
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