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A particular manufacturer of refrigerators has come under fire as their $1,700 LGA model has failed for a significant portion of owners. The LGA model often failed approximately 1-2 years after purchase, which is outside the warranty period. A class action lawsuit was filed by owners of the LGA model claiming that the manufacturer should repair or replace the units.
The lawyer representing the class action lawsuit obtained a list of LGA owners who completed registration cards and asked a simple random sample of 1000 LGA owners, “Is your LGA refrigerator still working?” He also recorded the age of the refrigerator from information provided on the registration card. Here are the data:

Respuesta :

Answer:

0.48

Step-by-step explanation:

The probability a randomly selected LGA refrigerator is at least one year old and no longer works is 0.480.

What is the probability?

Probability refers to a possibility that deals with the occurrence of random events. The probability of all the events occurring need to be 1.

P(E) = Number of favorable outcomes / total number of outcomes

A particular manufacturer of refrigerators has come under fire as their $1,700 LGA model has failed for a significant portion of owners.

The LGA model often failed approximately 1-2 years after purchase, which is outside the warranty period.

The data is given

Age of the LGA Refrigerator

Less than 1 year 1 to 2 yew More than 2 Total

Working No 51 255 1 2 63 20 315 525

So, (165+315) / 1000

= 0.480

Learn more about probability here;

https://brainly.com/question/11234923

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