The Central Intelligence Agency CIA has specialists who analyze the frequencies of letters of the...

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The Central Intelligence Agency CIA has specialists who analyze the frequencies of letters of the alphabet in an attempt to decipher intercepted messages In standard English text the letter s is used at a rate of 5 74 Find the mean and standard deviation for the number of times the letter s will be found on a typical page of 2100 characters Round solutions to three decimal places if necessary Hint This is a Binomial experiment l

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The Central Intelligence Agency CIA has specialists who analyze the frequencies of letters of the alphabet in an attempt to decipher intercepted messages In standard English text the letter s is used at a rate of 5 74 Find the mean and standard deviation for the number of times the letter s will be found on a typical page of 2100 characters Round solutions to three decimal places if necessary Hint This is a Binomial experiment l

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