The average cost of gasoline per week is $20. The standard deviation is $5 by using Chebyshe's Theorem, and following formula answer the questions. Please show the work. [(1-1/K2), K= larger value- mean/ standard deviation, mean +- K standard deviation] A. Find the price range for which atleast 80% of the data will lie. B. Find the minimum percentage of data values that will fall in the range of $25 and $35

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A: given data  normal distribution μ = 100σ = 15P(x<z) = 0.99x =?

Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

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A: Standard deviation(s)=2.3 miles

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A: Mean =  sum(data)/n  For odd :  Median = ( mid of data ) = (N+1)/2 th data  Mode = most repeated…

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Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…

A: Let Y be the IQ score.   Let x be the indicated IQ Score.   Here,  Y ~ N(μ = 100, σ =15)

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Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

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Q: In some reports, the mean and coefficient of variation are given. For instance, one report gives the…

A: Formula : CV = (Standard deviation/Mean) * 100