What is the probability the selected item is from warehouse A? Suppose the item is defective. What is the probability it came from warehouse B?
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.
Q9) I need your help with the question attached. Please show the work done because I need to understand them. Thank you!
![A company stores its product in two warehouses, A and B. It is observed that a
worker sent to get an item from a warehouse will go to A 60% of the time and go to B 40% of
the time. Suppose 5% of the items in A and 8% of the items in B are defective. A worker is sent
to get an item.
a) What is the probability the selected item is from warehouse A?
b) Suppose the item is defective. What is the probability it came from warehouse B?
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