Expert answer:Binomial Distribution

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week_6_bernoulli_trials_and_binomial_distribution.docx

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BERNOULLI TRIALS AND BINOMIAL DISTRIBUTION (Chapter 5, Section: “Binomial
Distributions”
32. The probability of “heads” coming face-up on a single flip of a fair two-sided coin is 0.5. You
flip the coin a total of ten (10) times. What is the probability of getting exactly 7 “heads” in those 10
flips?
33. The probability that you will win a certain game is 0.3. If you play the game 20 times, what
is the probability that you will win at least 8 times?
34. The probability that you will win a certain game is 0.3. If you play the game 20 times, what
is the probability that you will win 3 or fewer times?
35. The probability that you will win a certain game is 0.3. You play the game 20 times. What
are the mean and standard deviation of this binomial distribution?
36. A biased coin has a .6 chance of coming up heads. You flip it 50 times. What are the mean
and standard deviation of this distribution?
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