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{"ops":[{"insert":"The annual salaries of employees in a large company are approximately normally distributed with a mean of $70,000 and a standard deviation of $30,000.\n\na)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0What is the probability that an employee earns a salary greater than $90,000?\n"},{"attributes":{"bold":true},"insert":"Formula:"},{"insert":"\n\n\n\n\n\n\n\n\n\n\n\nb)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0The company provides free Child care to the employees with kids up to 5 years of age that earn the lowest 15% of salaries. What salary does a person have to earn less than, to qualify for the free child care?\n\t"},{"attributes":{"bold":true},"insert":"Formula:"},{"insert":"\n\n\n\n\n\n\n\n\n\n\n\nc)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0A sample of 20 employees is now taken. What is the probability that the sample mean is greater than $60,000?\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0"},{"attributes":{"bold":true},"insert":"Formula:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0"},{"insert":"\n"}]}

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