Question

A company purchased 1000 identical capacitors for use in short-distance radio transmitters. The company maintained detailed...

A company purchased 1000 identical capacitors for use in short-distance radio transmitters. The company maintained detailed records on the failure pattern of the capacitors with the following results:    

Number of years of operation

1

2

3

4

5

6

7

8

9

10

>10

Number of failures

220

158

121

96

80

68

47

40

35

25

110

According to the data, estimate the life distribution and corresponding parameters. Is it useful to perform “burning-in” action on this product?

Math   Statistics-And-Probability   
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