According to a national survey of college students, the average length of an admissions essay is 624 words with a standard deviation of 40 words. The freshman at a particular school are randomly assigned into groups of 30 for required writing seminars. a) What is the probability that a randomly chosen freshman has an admissions essay longer than 650 words? b) What is the probability that one of the writing seminars has an average admissions essay shorter than 600 words?
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.
According to a national survey of college students, the average length of an admissions essay
is 624 words with a standard deviation of 40 words. The freshman at a particular school are
randomly assigned into groups of 30 for required writing seminars.
a) What is the probability that a randomly chosen freshman has an admissions essay longer
than 650 words?
b) What is the probability that one of the writing seminars has an average admissions essay
shorter than 600 words?
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