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Suppose that replacement times for washing machines are normally distributed with a mean of 9.3 years and a standard deviation of 1.1 years. Find the probability that 70 randomly selected washing machines

asked May 1, 2020

Mathematics
college

1 answer

3 votes

125k views

The ratio of girls to boys in Liza’s classroom is 5 to 4 How many girls are in her classroom if there is a total of 27 students?

asked Jun 19, 2019

Mathematics
middle-school

1 answer

5 votes

228k views

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