How would you calculate the probability between one negative value and one positive value using the standard normal distribution?

Answer the following questions in your own words. Answers should consist of 50 words each. Use the chapter listed as the title of this assignment to answer the questions. If you use other references please include them. The answers can be placed under the question or numbered with the number it goes with.

 

1. How would you calculate the probability between one negative value and one positive value using the standard normal distribution? Give an example illustrating your answer.

2. How would you calculate the probability between two positive values using the standard normal distribution? Give an example illustrating your answer.

3. 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.

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