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Because of the relatively high interest rates, most consumers attempt to pay off their credit card bills promptly. However, this is not always possible. An analysis of the amount of interest paid monthly by a banks Visa cardholders reveals that the amount is normally distributed with a mean of 27 dollars and a standard deviation of 8 dollars a. What proportion of the banks Visa cardholders pay more than 31 dollars in interest? Proportion - b. What proportion of the banks Visa cardholders pay more than 36 dollars in c. What proportion of the banks Visa cardholders pay less than 16 dollars in d, interest? Proportion - interest? Proportion what interest payment is exceeded by only 21% of the banks Visa cardholders? Interest Payment

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