Question

Find the indicated probab 16) The monthly in C) 40 ability or percentage for the permally distributed variable. monthly incomes of traineesat local will we normally diste deviation of $150 Find the probability that a randomly A) 0.184 buted with a man of S1100 and a standar D) 0.092 randomly selected train B) 0.081 than $900 a mont Q) 0.159 nails with a mean di f ices and a standard andard deviation of001 inches. The A machine produces pencils with a me diameters are approximately normally distributed. W diameter less than 0.285 inches? A) 0.067 mly selected pencil has a What is the probability that a randomly se D) 0.614 B) 0.215 0.099 a mean of 200 and a is between 170 1) A bank's loan officer rates aplicants for credit. The rating standard deviation of 501 and deviation of 50. If an applicant is randomly selected, and 220. A) 0.226 B) 0.381 es are normally distributed with a man of 200 ind the probability of a rating that is between D) 0.155 Q0.071 49) Assume that the weights of quant of 5.67 x and a standard deviation What percentage at percentage of legal and 592 weights of quarters are normally distributed with a mean of ning between 5.48 D) 1.6% 0.070 8. A vending machine will only accept coins weighin quarters will be rejected? A) 2.5% B) 0.019% 1.9% Solve the problem. 50) At Loop College, the mean grade deviation of 0.64. Find the gpa of a studer A) 1.56 the mean grade point average (spa) of the current student body is the gpa of a student whose 2-score is 12 Round to the nearest nu B) 3.40 2.85 student body is 2.76 with a standard und to the nearest hundredth. D) 3.53 nt student body is 2.76 with a standard Round to the nearest hundredth D) 2.12 51) At Loop College, the mean grade P deviation of 0.64. Find the gpa of a stud A) 2.46 B) 3.06 rege, the mean grade point average (spa) of the current student body 152 0.64. Find the gpa of a student whose z-score is -0.3. Round to the nearest hu 92.57 9.3 years with a standard "an employee whose time 52) A company has 23,500 employ deviation of 4.2 years. Find th in service has a z-score of 1.6. A) 15.7 years y has 23,500 employees. The average length of service for the employees is 9.3 years don of 4.2 years. Find the length of service to the nearest one-tenth of a year) for an en D) 7.7 years C) 16.0 years B) 13.5 years

Answer 1

46. (d) 0.092

47. (b) 0.067

48. (b) 0.381

49. (b) 0.019

50. (d) 3.53

51. (c) 2.57

52. (c) 16 years