Question
1. A sample space has four elements. For the potential probability functions for the sample space below, state whether they are valid or not. Provide
1. A sample space has four elements. For the potential probability functions for the sample space below, state whether they are valid or not. Provide support for your response.
(a) P(1) = 0.6, P(2) = 0.05, P(3) = 0.4, P(4) = 0.2.
(b) P(1) = 0.5, P(2) = 0.2, P(3) = 0.2, P(4) = 0.1.
(c) P(1) = 0.15, P(2) = 0.3, P(3) = 0.1, P(4) = 0.45.
(d) P(1) = 0.3, P(2) = 0.3, P(3) = 0.2, P(4) = 0.6.
2.For three events A, B, and C, the following is known: P(A) = P(B) = P(C), P(BC) = 0.2P(B C), P(AB) = P(AC) = 0, and the probability of no events occurring is 0.1
(a) Sketch a Venn diagram that matches the information provided about the three events.
(b) Find P(B).
(c) Find P(ABC).
(d) Find P[(A B) Cc].
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