A survey found that people keep their microwave ovens an average of 3.2 years. The standard deviation is 0.56 year. If a person decides to buy a new microwave oven, find the probability that he or she owned the old oven between 2 to 3 years. Assume the variable is normally distributed. 21.24 24.35% 31.24% 34.32%

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A: Given Data : Population Mean,μ = 20 Population Standard Deviation,σ = 10

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A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

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A: Given, μ = 23.84σ = 3.56n = 10The speed limit is 20 mph       To find, a. Which would be more…

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Q: A study shows that the normal time that a customer occupied a table in a fine dine restaurant is 1.2…

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A: Given Information: μ=70σ=12

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Q: An investor believes that the yields of his mutual funds have a normal distribution with an average…

A: The question is about normal dist. Given : Avg. yield ( μ ) = 10 % Std. deviation of yield ( σ ) = 2…

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Q: Regardless of the kind of workout a gym goer does, the mean time spent on the treadmill is 45…

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Q: An amusement park insurance agent wanted to limit the access in the highest roller coaster. No one…

A: mean(μ)=63  inchesstandard deviation(σ)=6  inches

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Q: A senior high student commutes daily from home to school. The average time for a one way trip is 20…

A: Given The data is as follows: μ=20σ=4

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Q: A Nielsen study indicates that 18- to 24- year olds spend a mean of 174 minutes watching video on…

A: Here, µ = 174 and σ = 15.

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