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    In control replication, cells are replicated over a period of two days. Not until mitosis is completed, can freshly-synthesized DNA be replicated again. Two control mechanisms have been identified - one positive and one negative. Suppose that a replication is observed in three cells.

    Let A denote the event that all cells are positive and B denote the event that all cells are negative.

    Describe the sample space. Describe the following:

    (a) A
    (b) B
    (c) the intersection of A and B
    (d) the union of A and B

    © BrainMass Inc. brainmass.com June 3, 2020, 9:53 pm ad1c9bdddf
    https://brainmass.com/statistics/sampling/sample-spaces-sets-union-intersections-204076

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    Call a positive mechanism P and a negative mechanism N. There are 3 cells, and each cell can use a positive or negative mechanism (so, it can be represented as P or N). The sample space is the list of all of the possible outcomes of the 3 cells. The sample space looks like:

    PPP
    PPN
    PNP
    PNN
    NPP
    NPN
    NNP
    NNN

    a) A is the event that all cells are positive. A consists of only one of the eight possible outcomes in the sample space.

    A = {PPP}.

    b) B is the event that all cells are ...

    Solution Summary

    The expert examines sample spaces and sets for unions and intersections.

    $2.19

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