The sample space of an experiment consists of the following outcomes: S = {1, 5, 7} The following events are defined: • X = The outcome of the experiment is an even number Y = {1,5} Z= {1,7} We are also given the following information: X, Y and Z are independent events P(Y UZ) = 1/2 Probabilities of all numbered outcomes are equal. In other words:

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.CR: Chapter 12 Review
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The sample space of an experiment consists of the following outcomes:
S = {1, 5, 7}
The following events are defined:
X = The outcome of the experiment is an even number
Y = {1,5}
Z = {1, 7}
We are also given the following information:
●
X, Y and Z are independent events
P(Y UZ) = ½
Probabilities of all numbered outcomes are equal. In other words:
P(1) = P(5) = P(7)
A. Draw the Venn Diagram for events, X, Y, Z, and all outcomes in S. If the event does not
exist you may place it outside of the sample space of S or simply not include it – further,
this implies that the likelihood of nonexistent events is zero.
B. Compute the numerical value of P(X UY U Z).
Hint: the formula for a triple union is given by:
P(X UYU Z) = P(X) + P(Y) + P(Z) – P(X N Y) – P(X N Z) − P(Y N Z) + P(X N Y N Z).
●
Transcribed Image Text:The sample space of an experiment consists of the following outcomes: S = {1, 5, 7} The following events are defined: X = The outcome of the experiment is an even number Y = {1,5} Z = {1, 7} We are also given the following information: ● X, Y and Z are independent events P(Y UZ) = ½ Probabilities of all numbered outcomes are equal. In other words: P(1) = P(5) = P(7) A. Draw the Venn Diagram for events, X, Y, Z, and all outcomes in S. If the event does not exist you may place it outside of the sample space of S or simply not include it – further, this implies that the likelihood of nonexistent events is zero. B. Compute the numerical value of P(X UY U Z). Hint: the formula for a triple union is given by: P(X UYU Z) = P(X) + P(Y) + P(Z) – P(X N Y) – P(X N Z) − P(Y N Z) + P(X N Y N Z). ●
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