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16 October, 05:09

Hugo plans to buy packs of baseball cards until he gets the card of his favorite player, but he only has enough

money to buy at most 4 packs. Suppose that each pack has probability 0.2 of containing the card Hugo is hoping

for.

Let the random variable X be the number of packs of cards Hugo buys. Here is the probability distribution for

X:

X = # of packs 1

P (X)

0.2

2

0.16

3

0.128

4

0.512

What is the probability that Hugo buys at most 3 packs of cards?

+1
Answers (1)
  1. 16 October, 06:24
    0
    0.488

    Step-by-step explanation:

    Add 0.2+0.16+0.128+0.512 which is 1

    Then subtract 0.512 and you get 0.488

    I know there is probably a simpler way but this is how I did it
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