47% 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)
Bag options
Ball options
a) Complete the tree diagram.
0.6
Red
b) Work out the probability that a player
will select a red ball.
0.4
Black
0.35
0.19
0.2
Red
0.45
2.
0.8
Black
c) The same player is going to play the
game 200 times consecutively.
How many black balls should he
expect to pick? 112
Red
0.2
0.7
3
0.3
Black
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step-by-step explanation:

16.9 times 2.85

step-by-step explanation:

dalila is incorrect. the whisker on the left is very long, going all the way out to 5. the whisker goes from 5 to 30, so it has a spread of 25. the rest of the box plot values are closer together, so 5 is an outlier