Measure of reliability of these two brands of dishwashers

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"You are writing an article for a consumer magazine based on a survey of the magazine 's readers. Of 13,376 readers who reported owning brand A dishwashers, 2942 required a service call during the past year. Only 192 service calls were reported by the 480 readers who owned Brand B dishwashers.

a) Why is the count of service calls (2942 versus 192) not a good measure of the reliability of these two brands of dishwashers?

b) use the information given to calculate a suitable measure of reliability. What do you conclude about the reliability of Brand A and Brand B?"

Reference no: EM132851399

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