What is the probability that more than half sample members

Reference no: EM13237998

The annual percentage salary increases for the chief executive officers of all midsize corporations are normally distributed with mean 12.2% and standard deviation 3.6%. A random sample of 81 of these chief executive officers was taken. What is the probability that more than half the sample members had salary increases of less than 10%?

Reference no: EM13237998

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