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Pre-Calc Questions

Give a practical interpretation in words of the function 1) k(g(t)), where L=k(H) is the length of a steel bar at temperature H and H=g(t) is temperature at time t 2) t(f(H)), where t(v) is...


The acidity of human blood is measured on a pH scale and is a  normal random variable. The mean pH of blood is 7.2 with a standard deviation of 0.15. Find the probability that random selected...


The weight of smelt is a normal variable with mean 1.5 ounces and standard deviation of 0.2 ounces. Find the probability that a randomly selected  smelt weighs more than 1.348 ounces.

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