Solution-What is the name of sampling method

What is the name of sampling method

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Based on a study by Dr. P. Sorita Soni at Indiana University, we know that the eye colors in the United States are distributed as follows: 44% brown, 33% blue, 13% green, 6% gray, and 4% hazel.

A statistics instructor collects eye color data from her students. What is the name of this sampling method?
Identify one factor that might make this particular sample biased and not representative of the general population of people in the United States.
If one person is randomly selected, what is the probability that this person will have blue or grey eyes? Express the probability as a decimal value.
If three people are randomly selected, what is the probability that at least one of them has brown eyes? Express the probability as a decimal value.

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What is the name of sampling method

Reference no: EM133266056

Reference no: EM133266056

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