Applied Statistics and Probability for Engineers
6th Edition
ISBN: 9781118802250
Author: Montgomery
Publisher: WILEY
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Chapter 2, Problem 195SE
a.
To determine
Find the
b.
To determine
Find the probability that an e-mail message with 3 packets will need exactly 1 to be resent.
c.
To determine
Find the probability that at least 1 message will need some packets to be resent if 10 e-mail messages are sent, each with 100 packets.
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To compare two elementary schools regarding teaching of reading skills, 12 sets of identical twins were used. In each case, one child was selected at random and sent to school A, and his or her twin was sent to school B. Near the end of fifth grade, an achievement test was given to each child. The results follow:
Twin Pair
1
2
3
4
5
6
School A
169
157
115
99
119
113
School B
123
157
112
99
121
122
Twin Pair
7
8
9
10
11
12
School A
120
121
124
145
138
117
School B
153
90
124
140
142
102
Suppose a sign test for matched pairs with a 1% level of significance is used to test the hypothesis that the schools have the same effectiveness in teaching reading skills against the alternate hypothesis that the schools have different levels of effectiveness in teaching reading skills. Let p denote portion of positive signs when the scores of school B are subtracted from the corresponding scores of school…
A horse trainer teaches horses to jump by using two methods of instruction. Horses being taught by method A have a lead horse that accompanies each jump. Horses being taught by method B have no lead horse. The table shows the number of training sessions required before each horse performed the jumps properly.
Method A
25
23
39
29
37
20
Method B
41
21
46
42
24
44
Method A
45
35
27
31
34
49
Method B
26
43
47
32
40
Use a rank-sum test with a5% level of significance to test the claim that there is no difference between the training sessions distributions. If the value of the sample test statistic R, the rank-sum, is 150, calculate the P-value. Round your answer to four decimal places.
A data processing company has a training program for new salespeople. After completing the training program, each trainee is ranked by his or her instructor. After a year of sales, the same class of trainees is again ranked by a company supervisor according to net value of the contracts they have acquired for the company. The results for a random sample of 11 salespeople trained in the last year follow, where x is rank in training class and y is rank in sales after 1 year. Lower ranks mean higher standing in class and higher net sales.
Person
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x rank
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11
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y rank
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Person
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x rank
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y rank
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Using a 1% level of significance, test the claim that the relation between x and y is monotone (either increasing or decreasing). Verify that the Spearman rank correlation coefficient . This implies that the P-value lies between 0.002 and 0.01. State…
Chapter 2 Solutions
Applied Statistics and Probability for Engineers
Ch. 2.1 - Prob. 1ECh. 2.1 - Prob. 2ECh. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...
Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - Provide a reasonable description of the sample...Ch. 2.1 - 2-18. Three attempts are made to read data in a...Ch. 2.1 - 2-19. Three events are shown on the Venn diagram...Ch. 2.1 - 2-20. Three events are shown on the Venn diagram...Ch. 2.1 - 2-21. A digital scale that provides weights to the...Ch. 2.1 - Prob. 22ECh. 2.1 - 2-23. Go Tutorial Four bits are transmitted over...Ch. 2.1 - 2-24. In light-dependent photosynthesis, light...Ch. 2.1 - 2-25. In control replication, cells are replicated...Ch. 2.1 - 2-26. Disks of polycarbonate plastic from a...Ch. 2.1 - 2-27. Samples of a cast aluminum part are...Ch. 2.1 - 2-28. Samples of emissions from three suppliers...Ch. 2.1 - 2-29. The rise time of a reactor is measured in...Ch. 2.1 - Prob. 30ECh. 2.1 - Prob. 31ECh. 2.1 - 2-32. Counts of the Web pages provided by each of...Ch. 2.1 - 2-33. A reactor’s rise time is measured in minutes...Ch. 2.1 - 2-34. A wireless garage door opener has a code...Ch. 2.1 - Prob. 35ECh. 2.1 - 2-36. In a manufacturing operation, a part is...Ch. 2.1 - 2-37. New designs for a wastewater treatment tank...Ch. 2.1 - 2-38. A manufacturing process consists of 10...Ch. 2.1 - Prob. 39ECh. 2.1 - 2-40. In a sheet metal operation, three notches...Ch. 2.1 - Prob. 41ECh. 2.1 - 2-42. In the layout of a printed circuit board for...Ch. 2.1 - 2-43. In the laboratory analysis of samples from a...Ch. 2.1 - 2-44. In the design of an electromechanical...Ch. 2.1 - 2-45. Consider the design of a communication...Ch. 2.1 - 2-46. A byte is a sequence of eight bits and each...Ch. 2.1 - 2-47. In a chemical plant, 24 holding tanks are...Ch. 2.1 - 2-48. Plastic parts produced by an...Ch. 2.1 - 2-49. A bin of 50 parts contains 5 that are...Ch. 2.1 - 2-50. The following table summarizes 204...Ch. 2.1 - 2-51. A Web ad can be designed from four different...Ch. 2.1 - 2-52. Consider the hospital emergency department...Ch. 2.1 - 2-53. An article in The Journal of Data Science...Ch. 2.1 - 2-54. Similar to the hospital schedule in Example...Ch. 2.1 - 2-55. Consider the bar code in Example 2-12. One...Ch. 2.1 - 2-56. A computer system uses passwords that...Ch. 2.1 - Prob. 57ECh. 2.2 - 2-58. Each of the possible five outcomes of a...Ch. 2.2 - 2-59. The sample space of a random experiment is...Ch. 2.2 - 2-60. Orders for a computer are summarized by the...Ch. 2.2 - Prob. 61ECh. 2.2 - Prob. 62ECh. 2.2 - 2-63. An injection-molded part is equally likely...Ch. 2.2 - 2-64. In an acid-base titration, a base or acid is...Ch. 2.2 - Prob. 65ECh. 2.2 - Prob. 66ECh. 2.2 - 2-67. Suppose your vehicle is licensed in a state...Ch. 2.2 - Prob. 68ECh. 2.2 - 2-69. Magnesium alkyls are used as homogenous...Ch. 2.2 - 2-70. Disks of polycarbonate plastic from a...Ch. 2.2 - 2-71. Samples of emissions from three suppliers...Ch. 2.2 - Prob. 72ECh. 2.2 - Prob. 73ECh. 2.2 - Prob. 74ECh. 2.2 - 2-75. A Web ad can be designed from four different...Ch. 2.2 - Prob. 76ECh. 2.2 - Prob. 77ECh. 2.2 - 2-78. Consider the bar code in Example 2-12....Ch. 2.2 - 2-79. Similar to the hospital schedule in Example...Ch. 2.2 - Prob. 80ECh. 2.2 - 2-81. A computer system uses passwords that...Ch. 2.3 - 2-82. If P(A) = 0.3, P(B) = 0.2, and P(A B) =...Ch. 2.3 - 2-83. If A, B, and C are mutually exclusive events...Ch. 2.3 - 2-84. In the article “ACL Reconstruction Using...Ch. 2.3 - 2-85. Disks of polycarbonate plastic from a...Ch. 2.3 - 2-86. Strands of copper wire from a manufacturer...Ch. 2.3 - 2-87. The analysis of shafts for a compressor is...Ch. 2.3 - 2-88. Cooking oil is produced in two main...Ch. 2.3 - 2-89. A manufacturer of front lights for...Ch. 2.3 - 2-90. A computer system uses passwords that are...Ch. 2.3 - 2-91. Consider the endothermic reactions in...Ch. 2.3 - 2-92. A Web ad can be designed from four different...Ch. 2.3 - Prob. 93ECh. 2.3 - Prob. 94ECh. 2.3 - 2-95. Consider the barcode in Example 2-12....Ch. 2.3 - Prob. 96ECh. 2.3 - Prob. 97ECh. 2.3 - Prob. 98ECh. 2.4 - 2-99. Disks of polycarbonate plastic from a...Ch. 2.4 - 2-100. Samples of skin experiencing desquamation...Ch. 2.4 - 2-101. The analysis of results from a leaf...Ch. 2.4 - 2-102. Samples of a cast aluminum part are...Ch. 2.4 - 2-103. The following table summarizes the analysis...Ch. 2.4 - 2-104. Consider the data on wafer contamination...Ch. 2.4 - 2-105. The following table summarizes the number...Ch. 2.4 - 2-106. A maintenance firm has gathered the...Ch. 2.4 - 2-107. A lot of 100 semiconductor chips contains...Ch. 2.4 - 2-108. A batch of 500 containers for frozen orange...Ch. 2.4 - 2-109. A batch of 350 samples of rejuvenated...Ch. 2.4 - 2-110. A computer system uses passwords that are...Ch. 2.4 - 2-111. If , must A = B? Draw a Venn diagram to...Ch. 2.4 - 2-112. Suppose A and B are mutually exclusive...Ch. 2.4 - 2-113. Consider the endothermic reactions in...Ch. 2.4 - Prob. 114ECh. 2.4 - Prob. 115ECh. 2.4 - 2-116. An article in the The Canadian Entomologist...Ch. 2.4 - 2-117. Consider the bar code in Example 2-12....Ch. 2.4 - Prob. 118ECh. 2.4 - Prob. 119ECh. 2.4 - 2-120. A computer system uses passwords that...Ch. 2.5 - 2-121. Suppose that and . Determine the...Ch. 2.5 - Prob. 122ECh. 2.5 - 2-123. The probability is 1% that an electrical...Ch. 2.5 - 2-124. Suppose 2% of cotton fabric rolls and 3% of...Ch. 2.5 - 2-125. The edge roughness of slit paper products...Ch. 2.5 - 2-126. In the 2012 presidential election, exit...Ch. 2.5 - 2-127. Computer keyboard failures are due to...Ch. 2.5 - 2-128. Heart failures are due to either natural...Ch. 2.5 - Prob. 129ECh. 2.5 - Prob. 130ECh. 2.5 - Prob. 131ECh. 2.5 - 2-132. Consider the endothermic reactions in...Ch. 2.5 - Prob. 133ECh. 2.5 - 2-134. Consider the hospital emergency room data...Ch. 2.5 - Prob. 135ECh. 2.5 - Prob. 136ECh. 2.5 - 2-137. A Web ad can be designed from four...Ch. 2.5 - 2-138. Consider the code in Example 2-12. Suppose...Ch. 2.5 - 2-139. Similar to the hospital schedule in Example...Ch. 2.5 - Prob. 140ECh. 2.5 - 2-141. A computer system uses passwords that...Ch. 2.6 - 2-142. If , and , are the events A and B...Ch. 2.6 - 2-143. If , and , are the events B and the...Ch. 2.6 - 2-144. If , and A and B are mutually exclusive,...Ch. 2.6 - 2-145. A batch of 500 containers of frozen orange...Ch. 2.6 - 2-146. Disks of polycarbonate plastic from a...Ch. 2.6 - 2-147. Samples of emissions from three suppliers...Ch. 2.6 - 2-148. Redundant array of inexpensive disks (RAID)...Ch. 2.6 - 2-149. The probability that a lab specimen...Ch. 2.6 - 2-150. In a test of a printed circuit board using...Ch. 2.6 - 2-151. Six tissues are extracted from an ivy plant...Ch. 2.6 - 2-152. A player of a video game is confronted with...Ch. 2.6 - 2-153. In an acid-base titration, a base or acid...Ch. 2.6 - Prob. 154ECh. 2.6 - Prob. 155ECh. 2.6 - 2-156. The following circuit operates if and only...Ch. 2.6 - Prob. 157ECh. 2.6 - Prob. 158ECh. 2.6 - Prob. 159ECh. 2.6 - Prob. 160ECh. 2.6 - 2-161. A Web ad can be designed from four...Ch. 2.6 - Prob. 162ECh. 2.6 - Prob. 163ECh. 2.6 - 2-164. Table 2-1 provides data on wafers...Ch. 2.6 - 2-165. Table 2-1 provides data on wafers...Ch. 2.7 - Prob. 166ECh. 2.7 - Prob. 167ECh. 2.7 - Prob. 168ECh. 2.7 - Prob. 169ECh. 2.7 - 2-170. In the 2012 presidential election, exit...Ch. 2.7 - Prob. 171ECh. 2.7 - 2-172. An inspector working for a manufacturing...Ch. 2.7 - 2-173. A new analytical method to detect...Ch. 2.7 - 2-174. Consider the endothermic reactions in...Ch. 2.7 - Prob. 175ECh. 2.7 - Prob. 176ECh. 2.7 - 2-177. Two Web colors are used for a site...Ch. 2.7 - Prob. 178ECh. 2.7 - 2-179. An e-mail filter is planned to separate...Ch. 2.7 - 2-180. A recreational equipment supplier finds...Ch. 2.7 - Prob. 181ECh. 2.8 - 2-182. Decide whether a discrete or continuous...Ch. 2.8 - 2-183. Decide whether a discrete or continuous...Ch. 2.8 - 2-184. Decide whether a discrete or continuous...Ch. 2 - Prob. 185SECh. 2 - 2-186. A sample of three calculators is selected...Ch. 2 - 2-187. Samples of a cast aluminum part are...Ch. 2 - 2-188. Shafts are classified in terms of the...Ch. 2 - 2-189. If A, B, and C are mutually exclusive...Ch. 2 - 2-190. The analysis of shafts for a compressor is...Ch. 2 - 2-191. A researcher receives 100 containers of...Ch. 2 - 2-192. A lot contains 15 castings from a local...Ch. 2 - 2-193. In the manufacturing of a chemical...Ch. 2 - 2-194. Incoming calls to a customer service...Ch. 2 - 2-195. A congested computer network has a 0.002...Ch. 2 - 2-196. Samples of a cast aluminum part are...Ch. 2 - 2-197. Go Tutorial An optical storage device uses...Ch. 2 - 2-198. Semiconductor lasers used in optical...Ch. 2 - 2-199. Energy released from cells breaks the...Ch. 2 - 2-200. A sample preparation for a chemical...Ch. 2 - 2-201. In circuit testing of printed circuit...Ch. 2 - 2-202. The data from 200 machined parts are...Ch. 2 - 2-203. Computers in a shipment of 100 units...Ch. 2 - 2-204. The probability that a customer’s order is...Ch. 2 - 2-205. Let E1, E2 and E3 denote the samples that...Ch. 2 - 2-206. Transactions to a computer database are...Ch. 2 - Prob. 207SECh. 2 - Prob. 208SECh. 2 - Prob. 209SECh. 2 - 2-210. The British government has stepped up its...Ch. 2 - Prob. 211SECh. 2 - 2-212. An encryption-decryption system consists of...Ch. 2 - 2-213. It is known that two defective copies of a...Ch. 2 - 2-214. A robotic insertion tool contains 10...Ch. 2 - Prob. 215SECh. 2 - Prob. 216SECh. 2 - 2-217. A lot of 50 spacing washers contains 30...Ch. 2 - Prob. 218SECh. 2 - Prob. 219SECh. 2 - Prob. 220SECh. 2 - 2-221. The following circuit operates if and only...Ch. 2 - 2-222. A company that tracks the use of its Web...Ch. 2 - Prob. 223SECh. 2 - Prob. 224SECh. 2 - Prob. 225SECh. 2 - 2-226. Natural red hair consists of two genes....Ch. 2 - Prob. 227SECh. 2 - Prob. 228SECh. 2 - Prob. 229SECh. 2 - Prob. 230SECh. 2 - Prob. 231SECh. 2 - 2-232. A biotechnology manufacturing firm can...Ch. 2 - 2-233. Assume the following characteristics of the...Ch. 2 - Prob. 234SECh. 2 - Prob. 235SE
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