2. Assume that30% of students at a university wear contact lenses.A random sample of 100 students is selected.a)Describethe sampling distribution ofpˆ, the sample proportion of students who wear contacts.b)What is the probability that more than one third of this sample wear contacts?
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
2. Assume that30% of students at a university wear contact lenses.A random sample of 100 students is selected.a)Describethe sampling distribution ofpˆ, the sample proportion of students who wear contacts.b)What is the
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