Please answer all

8. Please state the formulas for calculating the mean and standard deviation of discrete data that possesses constant probability values for each outcome. Hint: These formulas are less messy than formulas for \"nonconstant\" probability data. 9. Please state the three characteristics of a normal probability distribution as stated in the text and lectures. Extra Credit: Please state the Poisson distribution formula. Hint: The \"e\" does not stand for \"Elvis\" J, it is a mathematical constant = 2.71. 10. Suppose you own a retail business and you read that 40% of retail employees, when reporting the amount of time they worked on any given day, actually lie about the time they worked. You have 14 employees and you are going to monitor the time sheets of your employees to see if they actually lie on their sheets. If you nd out that four or more of your employees do lie, you will be very angry! What is the probability that you will be very angry? Hint: Tables are not just for eating anymore. 11. Based on the data in Problem #10, now suppose you have 20 employees. Calculate the probability of three or more of your employees lie on their time sheets. Hints: Your \"11\" has changed, but not your \"p\". Maybe try a different table