It is generally believed that nearsightedness affects about 12% of all children. A local elementary school registered 133 incoming kindergarteners. Part A: Describe the sampling distribution model for...

It is generally believed that nearsightedness affects
about 12% of all children. A local elementary school registered 133 incoming kindergarteners.

Part A: Describe the sampling distribution model for the sample proportion by identifying its shape and telling its mean and standard deviation.




Part B: What is the probability that more than 15% of the incoming kindergarteners are nearsighted?