TABLE 7-4 According to a Survey,only 15% of Customers Who Visited the Visited

question 116

Essay

TABLE 7-4
According to a survey,only 15% of customers who visited the website of a major retail store made a purchase.Random sample sizes of 50 are selected.
-A study at a college in the west coast reveals that,historically,45% of the students are minority students.If a random sample size of 75 is selected,the probability is ________ that more than half of the students in the sample will be minority students.

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Definitions:

Frequency Distribution

A mathematical representation showing the number of occurrences of each unique value in a dataset.

Standard Deviation

A method for assessing the level of spread or diversity among a set of data figures.

Speed

The rate at which an object covers distance, usually defined as distance traveled per time unit.

Interstate Highway

A system of express highways that span across states, facilitating high-speed, long-distance travel.