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kvasek [131]
3 years ago
14

A game consists of randomly choosing a bag (labelled 1, 2 or 3) out of a choice of 100, and then again randomly, picking a ball

(red or black) from it. Each bag has the same total number of balls (10)
a) complete the tree diagram

b) Work out the probability that a player will select a red ball

c) the same player is going to play the game 200 times consecutively. How many black balls should he expect to pick?

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
8 0

Answer:

the answer is 112

Step-by-step explanation:

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