You are making a flower arrangement. There will be 32 flowers in the arrangement. Roses cost $2 each and carnations are $1 each.
2 answers:
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Answer:
0.0713 = 7.13% probability that the result is positive.
Step-by-step explanation:
Probability of a positive test:
91% of 1/650(has the disease).
7% of 1 - 1/650 = 649/650(does not have the disease). So
0.0713 = 7.13% probability that the result is positive.