19. John and Marta are looking to purchase a furni- ture set for their new house. They are choosing from 5 couches, 7 tables, 4 book shelves, and 5 double beds. How many different combinations gre possible?

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.