Twenty-five school children are checked for head lice. The public health department says that the pr
Question: Twenty-five school children are checked for head lice. The public health department says that the probability of any given child having lice is 0.1. Let x be the number of children who have head lice.
a) What is the probability that exactly 3 children have head lice?
b) What is the probability that 5 or less children have head lice?
c) What is the probability distribution for x?
d) What is the probability that the number of children who are found to have head lice is within one standard deviation of the mean? Two standard deviations of the mean?
e) Based on part d), what can you say about the shape of the distribution?
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Deliverables: Word Document
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