P-values 3. An aircraft manufacturer needs specialty steel rods with a tensile strength of at least 5,000 pounds. The firm's quality inspector tests a random sample of incoming steel rods. 64 rods are tested (n= 64). The standard deviation is 800 pounds. (Assume that this represents the known population standard deviation o). The inspector finds a mean strength of X = 4800 pounds. Test Ho: u2 5000 pounds versus HA: u < 5000. Use a = .05. %3D %3D What is the p- value here?

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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.