100多份品管试卷及答案——资料包(151个doc)实务05（More than 100 quality management papers and answers - data package (151 DOC) practice 05）.docVIP

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100多份品管试卷及答案——资料包(151个doc)实务05（More than 100 quality management papers and answers - data package (151 DOC) practice 05）.doc

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100多份品管试卷及答案——资料包(151个doc)实务05（More than 100 quality management papers and answers - data package (151 DOC) practice 05）

100多份品管试卷及答案——资料包(151个doc)实务05（More than 100 quality management papers and answers - data package (151 DOC) practice 05） 2004, 09, 01, quality professional theory and Practice (intermediate) [3] First, radio [a total of 5 questions, each subject of 1 points, a total of 5 points] 1, Pi as discrete distribution should meet the conditions for (). A.Pi = 0 B.P1+P2+ = +Pn = 1 C.Pi = 0 D.Pi = 0 and +Pn = 1 P1+P2+... 2, the probability density function P (x) should be emphasized. The vertical axis on the A. corresponding graph is originally the frequency on the unit length. Because of the stability of frequency, the probability can be used instead of frequency, thus the vertical axis becomes the probability of unit length B. its final curve is a probability curve C. its final curve can be located above the X axis or below the X axis The area between the D. curve and the X axis is less than or equal to 1 3, the normal life of an electronic component obeys the exponential distribution of lambda =0.1, and the probability that the electronic component can be used within 100 hours is (). A.99.95% B.99.85% C.99.05% D.99.99% 4, the following statement about the sample space is inappropriate. Sample space Omega A. coin toss {} = positive, negative Sample space Omega B. throw a dice = {0, 1, 2, 3, 4, 5, 6} Sample space omega = {C. a number of customers to buy goods in the supermarket in 0, 1, 2,...} Sample space Omega D. a TV set from the beginning of the first to use fault time = {t:t} = 0 5, variance analysis is a statistical method to test whether multiple normal mean is equal under the assumption of the same variance. In particular, the basic assumption of the problem is three. A. is under horizontal Ai, and the index obeys normal distribution B. at all levels, all factors were significant in the same way At different levels of C., the variance (sigma 2) is equal D. data Yij are independent of each other 6 、 the known factor A has 3 levels. In the experiment, 4 repeated experim