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By admin, June 13, 2009 12:43 pm

Statistics Question?

A travel agency estimated that the number of people who sign up for travel in Malaysia during the holiday season May is almost normally distributed random variable with a 2348 average standard deviation aqnd 762. The probability that the number of people recorded for travel exceeds a specific value, X, is 0.85. Find the value of X.

well since we know that p-value is 85 should look at what the standard deviation of p-value is 85 for this watch in a graph or think what to do with the TI-83 is used which gives a great invNorm a Z score of 1.44 x to solve by creating of equation (X-2348) / 762 = 1.44 x = 3445.28 and always round by the State Statistics is 3446

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