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    Probabilities of participants for Apple products by age

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    In a recent survey, participants were asked which Apple products influenced them the most.

    ipod iphone ipad total
    Age under 20 70 100 130 300
    Age 20-40 160 140 90 390
    Age over 40 190 110 50 350
    Total 420 350 270 1040

    #1. What is the probability that the participant was aged 20-40 or was influenced by ipad the most?

    #2. What is the probability that the participants were influenced by ipod the most, given that the participants are aged under 20?

    © BrainMass Inc. brainmass.com June 4, 2020, 2:14 am ad1c9bdddf
    https://brainmass.com/statistics/probability/probabilities-participants-apple-products-age-448005

    Solution Summary

    Probabilities of participants for Apple products by age are determined in the solution.

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