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(Solved): You may need to use the appropriate appendix table to answer this question. distributions are norm ...



You may need to use the appropriate appendix table to answer this question. distributions are normally distributed with a sta

You may need to use the appropriate appendix table to answer this question. distributions are normally distributed with a standard deviation of \( \$ 0.25 \) in the Country \( \mathrm{A} \) and a standard deviation of \( \$ 0.20 \) in Country \( \mathrm{B} \). (a) What is the probability that a randomly selected gas station in Country A charges less than \( \$ 2.50 \) per gallon? (Round your answer to four decimal places.) (b) What percentage of the gas stations in Country B charge less than \( \$ 2.50 \) per gallon? (Round your answer to two decimal places.) \( \% \)


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Answer: Given data, Country A: mean( ?) = 2.77 standard deviation( ?) = 0.25 Country B: mean( ?) = 2.40 standard deviation( ?) = 0.20 a) P(X<2.50) =P(
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