The drug Valium is eliminated from the bloodstream exponentially with a half-life of 36 hours. Suppose that a patient receives an initial dose of 10 milligrams of Valium at midnight.
a. How much Valium is in the patient's blood at noon on the first day?
b. Estimate when the Valium concentration will reach 5% of its initial level.

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e. g. 98.7654). x f(x) 0 1 2 3

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i

What is the sum of these mixed numbers 4 2/3+ 3 1/9