Solution-What proportion of people smile

What proportion of people smile

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According to a recent report, people smile an average of µ = 62 time per day. Assuming that the distribution of smiles is approximately normal with a standard deviation of Ó = 18, find each of the following values.

What proportion of people smile more that 80 times a day?
What proportion of the people smile at least 50 times a day?

Reference no: EM131174544

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What proportion of people smile : According to a recent report, people smile an average of µ = 62 time per day. Assuming that the distribution of smiles is approximately normal with a standard deviation of Ó = 18, find each of the following values.

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What proportion of people smile

Reference no: EM131174544

Reference no: EM131174544

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