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In 1995 Division A of company X had 4,850 customers. If [#permalink]

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22 Jul 2010, 11:45

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50% (03:31) wrong based on 3 sessions

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1. In 1995 Division A of company X had 4,850 customers. If there were 86 service errors in Division A that year, what was the service-error rate, in number of service errors per 100 customers, for division B company X in 1995?

A. In 1995 the overall service-error rate for Division A and B combined was 1.5 service error per 100 customers? B. In 1995 Division B had 9,350 custmers, none of whom were customer of Divsion A?

2. If M is a positive odd integer, what is the average(mean) of certain set of M integer? A. The integers is in the set are consecutive multiple of 3 B. The median of the set of integer is 33