Web Reference: Explore problems and real-world applications of normal distributions, complete with detailed solutions. To verify your answers, you can use our online normal probability calculator or inverse normal probability calculator. Assume the distribution is approximately normal with standard deviation $\$3250$. What is the probability that a randomly selected first-year teacher makes between $\$20,000$ and $\$30,000$ each year? Normal Probabilities Practice Problems Solution 1. Most graduate schools of business require applicants for admission to take the Graduate Management Admission Council’s GMAT examination. Scores on mean of 527 and a standard deviation of 112. What is the GMAT? Normal Distribution 500 - 527 Z = = - 0 .24107 112 1-0.4052= 0.5948 0.4052
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