The number of no-shows for dinner reservations at the Cottonwood Grille is a discrete random variable with the following probability distribution:
Based on this information,the most likely number of no-shows on any given day is 0 customers.
Definitions:
Sampling Error
The difference between a population parameter and a sample statistic that results from selecting a sample.
Expected Value
The predicted average outcome of a random variable, computed as the weighted average of all possible values.
Stratified Random Sampling
A probability sampling method in which the population is first divided into strata and a simple random sample is then taken from each stratum.
Strata
Subsets of a population that are known to be homogeneous with respect to some characteristic, used in stratified sampling.
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