The distribution of all Indian Rivers County grapefruit Weights is known to be normally distributed with a mean of 290 grams and a standard deviation of 46 grams. Do use this information to determine the following probability. Round solution to four decimal places if necessary. Find the probability that a random sample of 52 grapefruit has a mean weight less than 275 gram

Q: Assume that adults have IQ scores that are normally distributed with a mean of 96.8 and a standard…

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

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A:

Q: The weight of all cars traveling on interstate highway I-84 is normally distributed with a mean of…

A: From the provided information,

Q: Assume that adults have IQ scores that are normally distributed with a mean of 98.6 and a standard…

A: Solution: Let X be the IQ Score. From the given information, X follows normal distribution with mean…

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Q: Using the formulas, calculate the (i) mean and (ii) standard deviation of X.

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A: Given: Mean(μ)  = 2 years Standard deviation (σ) = 1 years

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A:

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A: Step 1: State the given: population mean, µ = 35population standard deviation, σ = 11 Step 2: Recall…

Q: Assume that blood pressure readings are normally distributed with a mean of 123 and a population…

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

A: Given that  Mean=100 SD=15 X = IQ of an individual. The probability that a randomly selected person…

Q: about 34 and a standard deviation of 11. Suppose that one individual is randomly chosen. Let…

A:

Q: ores are normally distributed with a mean of 1518 and a standard deviation of 325. If 1 SAT score…

A: Given: μ=1518, σ=325 The corresponding z-value needed to be computed is: If 1 SAT score is randomly…

Q: The percent of fat calories that a person in America consumes each day is normally distributed with…

A: X = percent of fat calorie Mean = 34 Standard deviation = 11

Q: Females have pulse rates that are normally distributed with a mean of 74 beats per minute and a…

A:

Q: Assume that blood pressure readings are normally distributed with a mean of 135 and a standard…

A: According to the given information, we have Mean = 135 Standard deviation = 4.7 Sample size = 35

Q: Assume that the readings on thermometers are normally distributed with a mean of 0 degrees Celsius…

A: We have given that Mu= 0 , sigma =1 X~ N ( 0, 1) Zscore=(x-mu)/sigma

Q: Assume that adults have IQ scores that are normally distributed with a mean of 95.9 and a standard…

A: Given: Mean μ = 95.9 Standard deviation σ = 15.6 Formula Used: Z-score: Z = X-μσ

Q: The average length of crocodiles in a swamp is 11 feet. If the lengths are normally distributed with…

A: Given: μ = 11 σ = 1.5 Formula Used: Z = X-μσ

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

Q: Assume that blood pressure readings are normally distributed with a mean of 123 and a standard…

A:

Q: An unknown distribution has a mean of 40 and a standard deviation of 8. A sample size of 50 is drawn…

A: Given Information is -Sample size, .Mean, .Standard deviation, .

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A: Given: mean = 0.963 grams, standard deviation = 0.312 grams. The z-score follows standard normal…

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A: The probability of a bulb lasting for at most 540 hours is calculated below:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 103.6 and a standard…

A: Given that adults have IQ scores that are normally distributed with, Mean = 103.6 Standard deviation…

Q: Assume IQ scores for adults are normally distributed with a mean of 100 and a standard deviation of…

A:

Q: he mean daily production of a herd of cows is assumed to be normally distributed with a mean of 39…

A: Given data,μ=39σ=2.4

Q: Problem #3: Suppose that X has the following discrete distribution: f(x) = {0.1x, x = 1,2,3,4…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Standard Normal Distribution: A random variable z is said to be a standard normal variable if z…

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A: Given : μ = 12 , σ= 3.2 and n= 25 By Central Limit Theorem, x̅ follows a Normal distribution with…

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A: The normal distribution:A continuous random variable X is said to follow normal distribution with…