Question
A online video store in the United Kingdom estimates that annual expenditures of members on rentals follow a normal distribution with a mean of
A online video store in the United Kingdom estimates that annual expenditures of members on rentals follow a normal distribution with a mean of 160. It was also found that 21% of all members spend more than 210 in a year. What percentage of members spend more than 230? Click the icon to view the standard normal table of the cumulative distribution function. The percentage of members who spend more than 230 is %. (Simplify your answer. Type an integer or decimal rounded to two decimal places as needed.)
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