The replacement time of televisions is normally distributed with an average of 8.2 years and a standard deviation of 1.1 years (according to data from "Getting Things Fixed", Consumer Report). Find the probability that a randomly selected television will be replaced in less than 5 years. a. 0.9981 b. 0.6828 c. 0.0500 d. 0.0018

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A: Mean(µ) = 72Standard deviations (σ) = 1.4X ~ N (µ, σ )= N(72, 1.4)

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A: Given data,μ=73σ=10P(X>80)=?

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Q: A particular fruit's weights are normally distributed, with a mean of 657 grams and a standard…

A: Let X: a particular fruit's weightsX~N(μ,σ)where mean(μ)=657 grams  standard deviation(σ)=38 grams…

Q: Give your answer to the nearest gram.

A: From given data we have : μ=678,σ=8,n=13

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A: It is given that the mean is 273 grams and the standard deviation is 27 grams.

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A:

Q: he IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one…

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A:

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Q: 1. The average salary for AU professors is $8500O. If the average salaries are normally distributed…

A: GivenMean(μ)=85000standard deviation(σ)=11000

Q: If you pick 25 fruits at random, then 9% of the time, their mean weight will be greater than how…

A:

Q: 1.07 for all students who have ever attended the college. Find the probability a student at random…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.