Stat 320-1 Lecture 5
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Last updated 8:29 PM on 1/23/25
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4 Terms
1
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You take a multiple choice test that has 10 questions and 3 answers per quetsion. For each question, there is one correct answer. You decide to guess at random. Suppose there is a 1/3 chance you get eacxh question right. What is the probability that you get at least half of hte answers right?
0.213
2
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A coin is tossed until heads is seen 3 times. What is the probability that this takes exactly 10 tosses?
3
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Suppose a biased coin comes up heads with a probability of 0.3
when tossed. What is the probability of seeing 4 heads in 6 tosses?
4
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what the heck
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