Homework Clinic
Mathematics Clinic => Statistics => Topic started by: roselinechinyere27m on Apr 14, 2020
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A random sample of adults was asked to respond to a survey about whether they use their cell phones to shop for a specific item. One question, summarized in the table below reflecting probabilities, asked each respondent to choose whether or not they use a cell phone app to shop. The major age groupings were under 40 or 40 years or older.
If one adult is randomly chosen from the group, what is the probability that the adult is 40 years or older?
◦ 60%
◦ 0.40%
◦ 40%
◦ 50%
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40%
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thank you
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