11-04-2020
Mathematics

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The question is on the attachement below and there is a tree diagram with information on it.

The question is on the attachement below and there is a tree diagram with information on it class=

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amna04352 amna04352

11-04-2020

Answer:

56 times

Step-by-step explanation:

P(red & red) = 0.5×0.6 = 0.3

Expected no. = no. Of trials × p

No. of trials: 84/0.3 = 280

P(blue & blue) = 0.5×0.4 = 0.2

Expected no. = 280 × 0.2

= 56

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