Tanya plants some seeds. The probability that a seed will produce flowers is $$\(0.8\)$$. When a seed produces flowers, the probability that the flowers are red is $$\(0.6\)$$ and the probability that the flowers are yellow is $$\(0.3\)$$. Find the probability that a seed chosen at random produces red flowers. .............................................
Exam No:0580_s20_qp_42 Year:2020 Question No:7(b)(ii)
Answer:
\(0.48\) oe
Knowledge points:
E8.5 Calculate the probability of simple combined events, using possibility diagrams, tree diagrams and Venn diagrams. (In possibility diagrams, outcomes will be represented by points on a grid, and in tree diagrams, outcomes will be written at the end of branches and probabilities by the side of the branches.)
Solution:
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