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A large governmental survey of dental care among children 2 to 17 years old found...

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A large governmental survey of dental care among children 2 to 17 years old found the distribution of times since the last visit to the dentist Time since last visit 6 months or less More than 6 months but no more than 1 year More than 1 year but no more than 2 years More than 2 years but no more than 5 years More than 5 years P more than 5 years Probability 0 57 P not within last 6 months 0 18 0 08 0 03 a What is the probability that a child has not seen a dentist in more than five years Enter your answer rounded to two decimal places b What is the probability that a randomly chosen child has not seen a dentist within the last six months Enter your answer rounded to two decimal places c What is the probability that the child has seen a dentist within the last year Enter your answer rounded to two decimal places

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