SOLUTION: In a group of 12 persons, 3 are left‐handed. Suppose that 2 persons are randomly selected from this group. Let x denote
the number of left‐handed persons in this sam
Algebra.Com
Question 368830: In a group of 12 persons, 3 are left‐handed. Suppose that 2 persons are randomly selected from this group. Let x denote
the number of left‐handed persons in this sample. Write the probability distribution of x. You may draw a tree diagram
and use it to write the probability distribution.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Let X = # left-handed people in a sample of 2 people. Then the possible values of X are 0,1,2.
The probability distribution (which is actually a hypergeometric distribution) is as follows:
,
,
.
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