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

Short Answer

TABLE 7-4
According to a survey, only 15% of customers who visited the web site of a major retail store made a purchase. Random samples of size 50 are selected.
-Referring to Table 7-4, what proportion of the samples will have between 20% and 30% of customers who will make a purchase after visiting the web site?