12-13-12_Ch.2_Day_2_emprical_rulez-scorestableA

37 and standard deviation 004 a what proportion of

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Unformatted text preview: bution with mean μ = 0.37 and standard deviation σ = 0.04. a) What proportion of adhesions measured in use are higher than 0.40? b) What proportion of adhesions are between 0.40 and 0.47? c) What adhesion would the locomotive have to obtain to be in the 95th percentile? Calculator Steps for... normalcdf: *Use normalcdf when finding the area under a normal distribution. invNorm: *Use invNorm when finding an observation based on a given percentile. This is with Catalog Help (CtlgHelp) Using the Calculator: Ex. The adhesion of one 4400-horsepower diesel locomotive model varies in actual use according to a normal distribution with mean μ = 0.37 and standard deviation σ = 0.04. a) What proportion of adhesions measured in use are higher than 0.40? b) What proportion of adhesions are between 0.40 and 0.47? c) What adhesion would the locomotive have to obtain to be in the 95th percentile?...
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