Find the standard score, z, shown in each of the following diagrams.
Answer to relevant QuestionsFind the standard score, z, shown in each of the following diagrams. Given that x is a normally distributed random variable with a mean of 60 and a standard deviation of 10, find the following probabilities. a. P(x > 60) b. P(60 < x < 72) c. P(57 < x < 83) d. P(65 < x < 82) e. P(38 < x < ...According to the Federal Highway Administration’s 2006 highway statistics, the distribution of ages for licensed drivers has a mean of 47.5 years and a standard deviation of 16.6 years [www.fhwa.dot.gov]. Assuming the ...Final averages are typically approximately normally distributed with a mean of 72 and a standard deviation of 12.5. Your professor says that the top 8% of the class will receive an A; the next 20%, a B; the next 42%, a C; ...Find the area under the normal curve that lies to the left of the following z-values a. z = - 1.30. b. z = - 2.56. c. z = - 3.20. d. z = - 0.64.
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