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Probability using TI-83 Plus Calculator
One medical textbook states that only 6% of th human population has blood type O-Negative. Assume that a simple random sample of 45 people are selected.
A. Find the probability that 5 of the selected people have blood type O-Negative. Would this be considered unusual. Why or why not? B. Find the probability that at least 4 of the selected people have blood type O- Negative. Would this be considered unusual . Why or why not? |
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I am trying to get the answer by using the VARS button on the calculator Can anyone walk me through it.
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