Characteristics of standard normal distribution

Reference no: EM13788767

Please help me to answer these questions thanks.

1-What are the characteristics of standard normal distribution? The HR department of an organization collects data on employees: age, salary, level of education, gender, and ethnicity. Which data do you think is more likely to follow normal distribution? Explain why

2-The Rule of Three generates a 95% confidence interval. What rule would you recommend if you wanted to have a 99.75% confidence
interval? Why?

Reference no: EM13788767

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