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t is estimated that 57% of American households include at least one pet. Consider a random sample of 200 American households. What is the probability

t is estimated that 57% of American households include at least one pet. Consider a random sample of 200 American households.

What is the probability that100 or fewer householdsin the sample have a pet?Please calculate this probability usingthe normal approximation(without the 0.5 correction).

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