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What blood pressure would you have to exceed

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Assume that blood pressure readings have a mean of 120 and a standard deviation of 8. What blood pressure would you have to exceed to be in the highest 10% of this population?

Hint: You basically need to find the probability of interest in your Z table and plug that value in for Z. Using the formula, then solve for X. We are looking for the highest 10% and we know that the Z table is left sided (so look up 90% in the table to get the Z value, once you have that you can plug in the value for Z and solve).

Reference no: EM132856367

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