The following two-way contingency table gives the breakdown of the population of married or previously married women in a locale according to age at first marriage and number of children: Number of Children Age 0 1-2 3+ Under 20 0.02 0.15 0.07 20-29 0.07 0.37 0.11 30+ 0.10 0.10 0.01 You select a woman at random. What is the probability the woman was 29 or younger at her first marriage?
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.
The following two-way
| Number of Children | |||
| Age | 0 | 1-2 | 3+ |
| Under 20 | 0.02 | 0.15 | 0.07 |
| 20-29 | 0.07 | 0.37 | 0.11 |
| 30+ | 0.10 | 0.10 | 0.01 |
You select a woman at random. What is the
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