Still more lefties. Suppose we choose 12 people instead of the 5 chosen in Exercise 57. a)
Question:
Still more lefties. Suppose we choose 12 people instead of the 5 chosen in Exercise 57.
a) Find the mean and standard deviation of the number of right-handers in the group.
b) What’s the probability that they’re not all right-handed?
c) What’s the probability that there are no more than 10 righties?
d) What’s the probability that there are exactly 6 of each?
e) What’s the probability that the majority is right-handed?
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Business Statistics
ISBN: 9781292269313
4th Global Edition
Authors: Norean Sharpe, Richard De Veaux, Paul Velleman
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