At a particular hospital, records show that each day, on average, only 80% of people keep their appointment at the outpatients’ clinic. Use the normal approximation to the binomial distribution to determine the probability that on a day when 200 appointments have been booked, more than 150 patients keep their appointments. *(no use EXCEL)
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.
At a particular hospital, records show that each day, on average, only 80% of people keep their appointment at the outpatients’ clinic. Use the normal approximation to the binomial distribution to determine the probability that on a day when 200 appointments have been booked, more than 150 patients keep their appointments. *(no use EXCEL)
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