1 proportion z-test 1. A local news report claims that 40% of the vehicles on the freeways are vans or SUV's. You go to a nearby freeway overpass, count 60 vehicles, of which only 19 are vans oi SUV's. Can we say, using a = .05, that the actual percentage is lower than the news report? %3D

Q: on conducts an experiment where he counts the number of pa re each scored coal in the English…

A: A discrete random variable is a variable that takes an only a finite number of distinct values. A…

Q: Discuss the significance of the term to in the experiment. Where is your measured data (i.e. the…

A: The experimental value EX is expressed as: EX=x±σ. T is the sample statistic that follows a normal…

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.