Question: ) The frequency distribution shows the ages for a sample of 100 employees.Are the ages of employees normally distributed?Use= 0.05. Class boundaries Frequency, f 29.5-39.5

) The frequency distribution shows the ages for a sample of 100 employees.Are the ages of employees normally distributed?Use= 0.05. Class boundaries Frequency, f 29.5-39.5 14 39.5-49.5 29 49.5-59.5 31 59.5-69.5 18 69.5-79.5 8

A group of 40 bowlers showed that their average score was 192. Assume the population standard deviation is 8. Find the 95% confidence interval of the mean score of all bowlers. A) (189.5, 194.5) B) (186.5, 197.5) C) (188.5, 195.6) D) (187.3, 196.1)

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