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Author Question: The data in the following table show the outcomes of the testing of an allergy drug on 500 people. ... (Read 61 times)

piesebel

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Question 1

Find the indicated probability. Express answers as decimals.

A telephone pollster has the names and telephone numbers of 50 voters, 20 of whom are registered Democrats and 30 of whom are registered Republicans.  After each call, she removes that person's name from her list. What is the probability that the first two calls are to Democrats?
◦ 0.25
◦ 0.845
◦ 0.9
◦ 0.155

Question 2

The data in the following table show the outcomes of the testing of an allergy drug on 500 people.  




What is the probability that a randomly selected person either was given the placebo or wasn't given the placebo?
◦ 1
◦ 0.772
◦ 0
◦ 0.5


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Marked as best answer by piesebel on Jan 18, 2020

kardosa007

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piesebel

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Reply 2 on: Jan 18, 2020
YES! Correct, THANKS for helping me on my review


sultana.d

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Reply 3 on: Yesterday
Excellent

 

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