Suppose we are given three boxes, Box A contains 10 light bulbs, of which 4 are defective, Box B contains 6 light bulbs, of which 1 is defective and Box C contains 8 light bulbs, of which 3 are defective. We select a box at random and then draw a light bulb from that box at random. What is the probability that the bulb is defective? Hint: Here we are performing two experiments: a) Selecting a box at random b) Selecting a bulb at random from the chosen box
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.
- Suppose we are given three boxes, Box A contains 10 light bulbs, of which 4 are defective, Box B contains 6 light bulbs, of which 1 is defective and Box C contains 8 light bulbs, of which 3 are defective. We select a box at random and then draw a light bulb from that box at random. What is the
probability that the bulb is defective?
Hint:
Here we are performing two experiments: a) Selecting a box at random b) Selecting a bulb at random from the chosen box
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