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Mean and standard deviation

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Reference no: EM132152289

It is generally believed that nearsightedness affects about 12% of children. A school district gives vision tests to 133 children.

Describe the sampling distribution for the sample proportion by naming the model and telling its mean and standard deviation. Justify your answer.

Sketch and clearly label the model.

What is the probability that in this group over 15% of the children will be found nearsighted? Explain.

What is the probability that less than 10% of the children will be found to be nearsighted? Explain.

Reference no: EM132152289

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