A statistics instructor collects eye color data from her students. What is the n

Question

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 of the general population of people in the United States. person is randomly selected, what is the probability that this will have brown or blue eyes? Express the probability as a decimal people are randomly selected, what is the probability that at least them has brown eyes? Express the probability as a decimal value.

Explanation / Answer

Q1. Convenience sampling

Q2. Samples are taken from only University students, that means sample are not representive of population because there are lot of other population(outside of University) which are not considered under study.

Q3.

Since the events are independent,

P(Brown eyes)+P(blue eyes) = 0.40+0.35 = 0.75

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