Suppose that the real interest rate is equal to 7 percent and the expected inflation rate is currently 3 percent. If an oil crisis in the Middle East increases the expected inflation rate to 4 percent, the new nominal interest rate is equal to:

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He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%