Suppose that the mean and standard deviation of plants height are 130 and 42, respectively, if a random sample of size 64 is slected from these plants, then the probability that their average height is more than 125 is closest to: а. 0.72 O b. 0.23 с. 0.83 d. 0.28 О е. 0.17

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A: Given : Let X : Length of adult rabbit is normally distributed with Mean (μ) = 30  (in cm) Standard…

Q: Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 57…

A: Given that, mean, mu= 57 Standard deviation, sigma= 3.5 We know that, Z score=(X-mu)/sigma Here…

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Q: If x is a normally distributed variable with a mean of 151.7 and a standard deviation of 21.9, what…

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A:

Q: In 2000, the average height of a woman aged 20–74 years was 64 inches with an increase of…

A: μ = 64σ = 2

Q: Suppose that the mean and standard deviation of plants height are 130 and 42, respectively, if a…

A:

Q: In​ 2008, the per capita consumption of soft drinks in Country A was reported to be 19.11 gallons.…

A: GivenMean(μ)=19.11standard deviation(σ)=5

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A: Since you have posted multiple question, we only provide answers of first three subparts . Please…

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A: Note : - As there are two different question, As per our policy we can answer only one question at a…

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A: Here is given that mean is 71 inches and standard deviation is 4 inches. 6 ft is equal to 72 inches.

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A: From the provided information, Mean (µ) = 56 Standard deviation (σ) = 3.2 Let X be a random variable…

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A: Here, mean is $100 and standard deviation is $14.

Q: Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 56…

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Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5, if a sample…

A: Solution: We are given:

Q: Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 57…

A: Given data,μ=57σ=3.5

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Q: Suppose that the lifetimes of light bulbs are approximately normally​ distributed, with a mean of…

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Q: Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 57…

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Q: Suppose that the mean and standard deviation of plants height are 130 and 32, respectively, if a…

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Q: The monthly utility bills in a city are normally​ distributed, with a mean of ​$100 and a standard…

A: Given : mean = 100 Standard deviation = 13

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Q: Suppose that the lifetimes of light bulbs are approximately normally​ distributed, with a mean of 57…

A: Note- Since you have posted a question with multiple sub-parts, we will solve the first three…

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Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5, if a sample…

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