# Question: On average a certain kind of kitchen appliance requires repairs

On average, a certain kind of kitchen appliance requires repairs once every four years. Assume that the times between repairs are exponentially distributed. In addition to providing the answer, state the relevant Excel commands.

a. What is the probability that the appliance will work no more than three years without requiring repairs?

b. What is the probability that the appliance will work at least six years without requiring repairs?

a. What is the probability that the appliance will work no more than three years without requiring repairs?

b. What is the probability that the appliance will work at least six years without requiring repairs?

**View Solution:**## Answer to relevant Questions

The Netherlands is one of the world leaders in the production and sale of tulips. Suppose the heights of the tulips in the greenhouse of Rotterdamâ€™s Fantastic Flora follow a continuous uniform distribution with a lower ...Entrance to a prestigious MBA program in India is determined by a national test where only the top 10% of the examinees are admitted to the program. Suppose it is known that the scores on this test are normally distributed ...Vons, a large supermarket in Grover Beach, California, is considering extending its store hours from 7:00 am to midnight, seven days a week, to 6:00 am to midnight. Discuss the sampling bias in the following sampling ...Despite its nutritional value, seafood is only a tiny part of the American diet, with the average American eating just 16 pounds of seafood per year. Janice and Nina both work in the seafood industry and they decide to ...Consider a population proportion p=0.12. a. Discuss the sampling distribution of the sample proportion with n=20 and n=50. b. Can you use the normal approximation to calculate the probability that the sample proportion is ...Post your question