An air conditioner contractor has prepared an offer to repair the air conditioner compressor. To prepare this offer, the contractor used details collected from the lifespan of a random sample of 250 compressors. If the average life of these 250 compressors is 40 months, what is the probability that the evaluation of the compressors will be no more than 5 months from the real average?
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.
An air conditioner contractor has prepared an offer to repair the air conditioner compressor. To prepare this offer, the contractor used details collected from the lifespan of a random sample of 250 compressors. If the average life of these 250 compressors is 40 months, what is the
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