Acandy maker produces mints that have a label weight of 20.4 grams. assume that the distribution of the weights of these mints is n(21.37,0.16). (a) let x denote the weight of a single mint selected at random from the production line. find p(x > 22.07). (b) suppose that 15 mints are selected independently and weighed. let y equal the number of these mints that weigh less than 20.857 grams. find p(y ≤2).

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answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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20days louise can read300 pg

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1 day 15 pg 300: 15= 20

x day 300 pg