Explore BrainMass

Explore BrainMass

    Cell phone probability analysis

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    According to an article appearing in the Wall Street Journal, about 70% of all U.S. households have a cellular phone. suppose that you are conducting a survey of customer satisfaction regarding their cellular phone. If you called 11 households selected at random, what is the probability that:

    (a) every household has a cellular phone?
    (b) more than four households have a cellular phone?
    (c) fewer than 5 do not have a cellular phone?
    (d) more than 7 do not have a cellular phone?

    © BrainMass Inc. brainmass.com June 3, 2020, 6:37 pm ad1c9bdddf