shamim9902 shamim9902

06-06-2023
Mathematics

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A random variable is normally distributed. You take a sample of 10 observations of the random variable and find a sample mean of 1 and a sample standard deviation of 6. Using the t-distribution to compensate for the fact that your mean and standard deviations are sample estimates, find the probability of the random variable being 5 or higher. Round your final answer to three decimal places.
Multiple Choice
0.739
0.740
0.261
0.260
0.167

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