Question: could I please have some assistance with these math problems. if you could also show your work as a future reference to help me study

could I please have some assistance with these math problems. if you could also show your work as a future reference to help me study I would appreciate that

1. (9 points) You must draw a bell-shaped curve for (a) and shade appropriate areas. IQ scores follow a bell-shaped distribution. The mean IQ score is 100 with a standard deviation of 15. Use this information and Empirical Rule to answer the following. a) (3 points) Estimate the percent of people whose IQ scores are between 70 and 130. b) (2 points) If 220 people are randomly selected, how many would you expect to have IQ between 70 and 130? c) (4 points total) Kayley's IQ is 118. What is the z-score for her IQ of 118? (3 pts) Explain what this z-score means in the context of this problem. (2 pts)

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