An airplane needs to head due north, but there is a wind blowing from the northwest at 40 km/hr. The plane flies at an airspeed of 550 km/hr, To end up due north, the pilot will need to fly the plane Preview degrees west of north

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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.