Question

Based on a study by Dr. P. Sorita Soni at Indiana University, we know that eye colors in the United States are distributed as follows: 40% brown, 35% blue, 12% green, 7% gray, 6% hazel.
a. A statistics instructor collects eye color data from her students. What is the name for this type of sample?
b. Identify one factor that might make this particular sample biased and not representative of the general population of people in the United States.
c. If one person is randomly selected, what is the probability that this person will have brown or blue eyes?
d. If two people are randomly selected, what is the probability that at least one of them has brown eyes?


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  • CreatedMay 03, 2015
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