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Mathematics, 20.11.2019 06:31 sarahsteelman

100 points

a box contains 10 items, of which three are defective. a sample of three items is selected at random from the box. let y represent the number of defective items selected.

a) create a table to show the probability distribution of the variable. state the probabilities in simplest fraction form.

b) find the expected number of defective items, e (y).

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