Question

In: Statistics and Probability

Required: Ensure you show all formulas and state values of variables, substitute and solve. Provide a...

Required:

  • Ensure you show all formulas and state values of variables, substitute and solve.

  • Provide a concluding statement for all parts.

  1. Suppose that 31% of families in town own iPads. If sixteen families are surveyed at random,

    1. Determine the probability that exactly 4 families own an IPAD.

    1. Determine the probability that less than 3 families own iPads.

    1. Determine the probability that least 3 families own iPads.

    1. Determine the expected number of families with an iPad.


  1. There are ten cats and eleven dogs in a pet shop. Nine pets are chosen at random to visit a children’s hospital.

    1. Determine the probability that exactly three of the pets will be dogs.

    1. Determine the probability that less than 2 of the pets will be dogs.

    1. Determine the probability that at least 2 of the pets will be dogs.

    1. Determine the expected number of dogs chosen.


Solutions

Expert Solution

orchestra answered 1 year ago
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