Question 869792
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Hi
Russia: mean = 3.40, SD = .2
P(x < 3.50)=P(z <.1/.2) = P(z <.5)= .6915 , normal(-10,2)
69.15% of the gas stations in Russia charge less than $3.50 per gallon
P(x > 3.73)=P(z <.33/.2) = P(z > 1.65)= .0495  0r 4.95%