A manufacturer of kitchen mixers conducted a survey of consumer complaints about

Question

A manufacturer of kitchen mixers conducted a survey of consumer complaints about their appliance and found they fell into the six categories shown in the table. What percentage of the complaints are about appearance? What percentage of the complaints occur during the warranty period? What percentage of complaints that occur during the warranty period are electrical? What percentage of all complaints are mechanical complaints after the warranty period? Consider the appliance complaint data in Problem =? Find the conditional distribution of complaint reasons during the warranty period. Find the conditional distribution of complaint reasons after the warranty period.

Explanation / Answer

1.

(a) 35%

(b) 63%

(c) 18%

(d) 22%

2.

(a) P(E/W) + P(M/W) + P(A/W) = 18/63 + 13/63 + 32/63 = 1

(b) P(E/W) + P(M/W) + P(A/W) = 12/37 + 22/37 + 3/37 = 1

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