21. The salaries of employees in a large company are normally distributed with a mean of S60,000 and a standand deviation af $10.00. What is the z-value for a person who makes $52,250? a. 730 b. 0.07 e. 4.78 d. 0.75 e. 062 Lise a ztable to detemine the percentage of people that make mere than $32,250 a. 78.23% b. 78.ON e. 21.77% d. 77.3% e. 21.92% If you wore to pick somebody from the company at random, what is the probability that this person makes betwoen S61,000 and S65,0007 You may use any method you wish to calkulate this. a. About 12 b. About 15% e. About 18% d. About 22% e. About 28%

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Average

In mathematics, everyone must have heard the term average in one place or other. Almost all types of calculation require taking out an average. In everyday life, the term is used for denoting a certain amount that can be said to be a typical quantity for multiple people or objects. In other words, if a group of people possesses a certain object, then the average gives us an idea regarding the quantity of the object possessed by each person. However, this is solely based on mathematical calculation. It is important to note that most people will not strictly have the average value in a group.