The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 34 liters, and standard deviation of 9.1 liters.  What is the probability that daily production is between 34.5 and 49.5 liters? Do not round until you get your your final answer. Answer= (Round your answer to 4 decimal places.)

Q: A mandatory competency test for high school sophomores has a normal distribution with a mean of…

A: Suppose a random variable X, defines the scores in competency test for high school sophomores.

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A: Given Normal distribution with  Mean =82   SD =8 We have to answer for mentioned questions

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A: See the handwritten solution

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A: Given,mean(μ)=200standard deviation(σ)=25

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Q: 20. Find the mean and standard deviation of the following data:

A: Class Frequency 1 - 5 2 6 - 10 5 11 - 15 2 16 - 20 1

Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a…

A: Obtain the Z-score for the random variable X equals 129. The Z-score for the random variable X…

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A: We have to find given probabaility.

Q: The standard deviation may not be greater than the mean. O True O False

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A: Given mean=95.9, standard deviations σ=24

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A: GivenMean(μ)=116.91standard deviation(σ)=6.354and given adult's systolic blood pressure is…

Q: The population mean of happiness is 5.382, with a standard deviation of 1.138. Linda has a z score…

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A: Here, mean is 120 and standard deviation is 16.

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A: The standard normal variable Z is defined as, Z = (X – µ)/σ, where µ is the mean of the random…

Q: 9. Weights of walleye in a lake are normally distributed with mean 4.8 pounds and a standard…

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Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 100 and a…

A: Given information Population mean µ = 100 Standard deviation σ = 20 We have to find the probability…

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A: Assume that adults have IQ scores that are normally distributed with a mean of 100.3 and a standard…

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Q: The middle 50% of the heights are between what two values? Round to one decimal place.

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A: Here, μ=308 and σ=54

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Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a…

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Q: The average price for a personal computer (PC) is $949.00. If computer prices are approximately…

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Q: Assume that the SAT test scores are normally distributed with a mean score of 1200 and a…

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Q: Animals of a given weight are operated on in a veterinary hospital. The dose of anesthetic A (in mg)…

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Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days…

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A: It is given that the mean and standard deviation are 19.2 and 4, respectively.

Q: Assume that adults have IQ scores that are normally distributed with a mean of u = 100 and a…

A: Let X be the random variable from normal distribution with mean (μ) = 100 and standard deviation (σ)…