A new drug has been found to be effective in treating 70% of the people afflicted by a certain disease. If the drug is administered to 900 people who have this disease, what are the mean and the standard deviation of the number of people for whom the drug can be expected to be effective? (Round your standard deviation to two decimal places.) mean __ peopl
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.
A new drug has been found to be effective in treating 70% of the people afflicted by a certain disease. If the drug is administered to 900 people who have this disease, what are the
| mean | __ people |
| standard deviation | __ people |
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