Data indicate that a particular genetic defect occurs in 1 of every 1,000 children. The records of a medical clinic show x = 54 children with the defect, from a total of 50,000 children that were examined. n USE SALT (a) If the 50,000 children were a random sample from the population of children represented by past records, what is the probability of observing a value of x equal to 54 or more? (Use the normal approximation. Round your answer to four decimal places.) (b) Would you say that the observation of x = 54 or more children with genetic defects represents a rare event? O The observation is rare because the probability is less than 0.05. O The observation is not rare because the probability is greater than 0.05.

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