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An urn contains 2 red and 2 green marbles. We pick a marble, record its color, and replace it. We repeat this procedure a second  time. The probability distribution for the number of red marbles is given by:   a. Number of red marbles 0 1 2 3 Probability 1/4 3/8 3/8 1/4   ​   b. Number of red marbles 0 1 2 3 Probability 1/4 1/2 1/2 1/4   ​   c. Number of red marbles 0 1 2 3 Probability 1/8 3/8 3/8 1/8   ​   d. Number of red marbles 0 1 2 3 Probability 1/4 1/2 1/4 0

An urn contains 2 red and 2 green marbles. We pick a marble, record its color, and replace it. We repeat this procedure a second  time. The probability distribution for the number of red marbles is given by:   a. Number of red marbles 0 1 2 3 Probability 1/4 3/8 3/8 1/4   ​   b. Number of red marbles 0 1 2 3 Probability 1/4 1/2 1/2 1/4   ​   c. Number of red marbles 0 1 2 3 Probability 1/8 3/8 3/8 1/8   ​   d. Number of red marbles 0 1 2 3 Probability 1/4 1/2 1/4 0

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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  1. An urn contains 2 red and 2 green marbles. We pick a marble, record its color, and replace it. We repeat this procedure a second  time. The probability distribution for the number of red marbles is given by:
      a.

    Number of red marbles

    0

    1

    2

    3

    Probability

    1/4

    3/8

    3/8

    1/4

     

    ​
      b.

    Number of red marbles

    0

    1

    2

    3

    Probability

    1/4

    1/2

    1/2

    1/4

     

    ​
      c.

    Number of red marbles

    0

    1

    2

    3

    Probability

    1/8

    3/8

    3/8

    1/8

     

    ​
      d.

    Number of red marbles

    0

    1

    2

    3

    Probability

    1/4

    1/2

    1/4

    0

     

    ​

     

      1. A researcher studying the effect of price cuts on consumers' expectations makes up two different histories of the store price of a hypothetical brand of laundry detergent for the past year. Eight students in a business class view one or the other price history on a computer. Some students see a steady price, whereas others see regular sales that temporarily cut the price. Students are asked the price they would expect to pay. The names of the eight subjects follow.

        ​

        1. Franklin
        2. James
        3. Wright
        4. Edwards
        5. Rust
        6. Walsh
        7. Gofberg
        8. Williams

        ​

        Use the following list of random digits: 

        		  41842

        81868

        71035

        09001

        ​

        Starting at the beginning of this list and using single-digit labels, assign the first four subjects selected to the steady price group and the remaining four to the fluctuating price group. The subjects assigned to the fluctuating price group are:

          a.
        Franklin, James, Wright, and Edwards.
          b.
        Wright, Rust, Walsh, and Gofberg.
          c.
        Rust, Walsh, Gofberg, and Williams.
          d.
        Edwards, Franklin, Williams, and James.
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