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Working mothers in Canada
Statistics Canada wanted to find the distribution of ages of working women living in Canada who were single mothers. The researcher drew a random sample of some 300 families from the government tax records and found the following distribution:
Age Group One family was selected at random from tax base records of families with working mothers.
-Refer to Working mothers in Canada. What is the probability that the randomly selected working mother is either single or over 40 years of age?
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