USA Today reports that about 25% of all prison parolees become repeat offenders. Alice is a social worker whose job is to counsel people on parole. Let us say success means a person does not become a repeat offender. Alice has been given a group of four parolees. a. Find the probability P(r) ranging from 0 to 4. a.) ___________ ___________ ___________ ___________ ___________ b. What is the expected number of parolees in Alice’s group (mean) who will not be repeat offenders? b.) _________________________ c. What is the standard deviation?
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.
USA Today reports that about 25% of all prison parolees become repeat offenders.
Alice is a social worker whose job is to counsel people on parole. Let us say success means a person does not become a repeat offender. Alice has been given a group of four parolees.
a. Find the
a.) ___________ ___________ ___________ ___________ ___________
b. What is the expected number of parolees in Alice’s group (
repeat offenders?
b.) _________________________
c. What is the standard deviation?
c.) _________________________
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