A large governmental survey of dental care among children 2 to 17 years old found the following distribution of times since the

Question

A large governmental survey of dental care among children 2 to 17 years old found the following 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 Probabili ty 0 57 0 18 0 08 0 03 1 A N Dey and B Bloom Summary health statistics for U S children National Health Interview Survey 2003 Vital Health Statistics 10 2005 Table 17 Macmillan Learning What is the probability that a child has not seen a dentist in more than 5 years Give your answer to two decimal places P more than 5 years

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