Participants in a study of a new medication received either medication A or a placebo. Make a tree diagram of the results of the study. Then find P(placebo and improvement).

Of all those who participated in the study, 80% received medication A.
Of those who received medication A, 76% reported an improvement.
Of those who received the placebo, 62% reported no improvement.

Question

Participants in a study of a new medication received either medication A or a placebo. Make a tree diagram of the results of the study. Then find P(placebo and improvement).

Of all those who participated in the study, 80% received medication A.
Of those who received medication A, 76% reported an improvement.
Of those who received the placebo, 62% reported no improvement.

anonymous · Answer

if 80% of the total was given medication A, then that would mean ____ were given the placebo

anonymous · Answer

how would i make a tree diagram? i suck at these

anonymous · Answer

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a tree diagram in a nutshell