Question

b).77 c).80 d) .85 e).87 20. Epsilon Manufacturing Company makes a specialized electronic product used in the automotive industry. This product has 4 components, each of which could be defective. So the total number of defects of this product can be 0, 1,2,3, or 4. The following table provides the probabilities of the number of defects: Number of defects Probability 508 302 105 080 005 The standard deviation of the number of defects is a).89 b).90 c) .91 d).92 e).93 Chapter 6 21. Suppose the number of parking spots at urban grocery stores is uniformly distributed over the interval 90 to 140, inclusively (90 sSr s 140), then the height of this distribution, fox), is a) 1/90 b) 1/50 c) I/140 d) 1/200 e) 1/500 22. Ifx, the time (in minutes) to complete an oil change job at certain auto service station, is uniformly distributed over the interval 20 to 30, inclusively (20 Sr s 30), then the height of this distribution, f(x), is a) 1/10 b) 1/20 c) 1/30 d) 12/50 e) 1/60

Answer 1