The following table show the results of a clinical trial for an allergy drug. Allergy drug Placebo Control (no treatment) Total Improvement 145 85 41 271 No improvement 55 115 59 229 Total 200 200 100 500 What is the probability that a randomly selected person was given a placebo or improved? Round your answer to the nearest thousandth when necessary
The following table show the results of a clinical trial for an allergy drug. Allergy drug Placebo Control (no treatment) Total Improvement 145 85 41 271 No improvement 55 115 59 229 Total 200 200 100 500 What is the probability that a randomly selected person was given a placebo or improved? Round your answer to the nearest thousandth when necessary
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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The following table show the results of a clinical trial for an allergy drug.
Allergy
drug Placebo
Control
(no treatment) Total
Improvement 145 85 41 271
No improvement 55 115 59 229
Total 200 200 100 500
What is the probability that a randomly selected person was given a placebo or improved? Round
your answer to the nearest thousandth when necessary
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