A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.2 years, and standard deviation of 1.1 years. If you randomly purchase one item, what is the probability it will last longer than 10 years? Question Help: D Video

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Q: A particular fruit's weights are normally distributed, with a mean of 347 grams and a standard…

A: From the provided information, Mean (µ) = 347 Standard deviation (σ) = 25 X~N (347, 25)

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A: (a)   Obtain the probability that pregnancy will last 307 days or longer. The probability that…

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A: given data μ = 138σ = 8n = 30P(x¯ ≥140) = ?

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A: Population mean, μ = 209 gramsPopulation standard deviation, σ = 18 gramsLet, X, be the particular…

Q: The weights of steers in a herd are distributed normally. The standard deviation is 300lbs and the…

A: Solution: Let X be the weights of steers in a herd. From the given information, X follows normal…

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A: GivenMean(μ)=41.1standard deviation(σ)=5.0

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A: Given thatRandomly select 25 teachersPopulation mean salary is 56000Standard deviation 15000To…

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A: Given: Mean=1487 standard deviation=307

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Q: Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the…

A: Solution: It is given that, Population mean, 70 Standard deviation, 5 Given that Cody took his first…

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A: Let "X" be the IQ score of the adults.

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Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 68% of…

A: given data normal distribution population mean  = 600 population sd = 20

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A: Given information- Population mean, µ = 570 hours Population variance, σ2 = 625 So, Population…

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A: We are given,μ = 196σ = 22n = 60

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A: Given Data Population Mean,μ = 16.0 Population Standard Deviation,σ = 1.1 sample…

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A: It is given that the ratings are normally distributed with mean 200 miles and standard deviation 50.

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A: Given : the probability a patient will recover from a disease following medication is 0.7.  In a…

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A: Given data,Mean μ=50sd    σ=10P(X<44)=?

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A: Denote X as the life of a randomly selected light bulb.

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A: From the provided information, Mean (µ) = 20000 Standard deviation (σ) = 2500 X~N (20000, 2500)

Q: The life of lightbulbs is distributed normally. The standard deviation of the lifetime is 20 hours…

A: The following information has been provided: The population mean is μ=600. The population standard…

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A: We have given that,  X be the random variable from normal distribution with mean (μ) = 62.6 ,…

Q: The mean of a normal probability distribution is 600; the standard deviation is 20. About 95% of…

A: GivenMean(μ)=600standard deviation(σ)=20

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A: The length of time that a phone will work before it needs charging is normally distributed with  Let…

Q: A population has a mean of 84 and a standard deviation of 12. A sample of 36 observations be taken.…

A: Given: Population mean μ = 84 Population standard deviation σ = 12 Sample size n = 36

Q: The weights of steers in a herd are distributed normally. The standard deviation is 200lbs and the…

A: Answer:- Given , The standard deviation, σ = 200lbs  The mean steer weight, μ = 1300lbs  Using…

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A: Given,sample size(n)=36mean(μ)=45standard deviation(σ)=15

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A: Given: The number of bacterial colonies on a petri dish can have an average of 2.5 per cm.

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