Suppose that the number of Facebook friends users have is normally distributed with a mean of 141 and a standard deviation of about 44. Assume eleven individuals are randomly chosen. Answer the following questions. Round all answers to 4 decimal places where possible. What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) --------- , -------- For the group of 11, find the probability that the average number of friends is more than 146. _______ Find the third quartile for the average number of Facebook friends.  Round to 2 decimal places. ______

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Q: If the daily wage of a worker in a large factory has an average of 180 usd, the standard deviation…

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A: given data μ=200σ=9normal distribution P(200<x<225)=?

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A: Given that, A student takes a multiple choice exam with 10 questions, each with four possible…

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Q: Suppose that a category of world class runners are known to run a marathon (26 miles) in an average…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

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

A: Solution: Let X be the blood pressure reading. From the given information, X follows normal…

Q: Suppose that a category of world class runners are known to run a marathon (26 miles) in an average…

A: X¯ ~ N(μx¯ , σx¯) μx¯=μ=142 σx¯=σn=1349=1.86 N = Normal distribution

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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…

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A: Given:  Consider X as a random variable that follows a normal distribution with mean 22 and…

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A: Given information:

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

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A: Given : X~Nμ=66,σ=17

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Q: The time spent waiting in the line is approximately normally distributed. The mean waiting time is 5…

A: given data,normal distribution μ=5σ=3probability that person will wait more than 9 minutes =?

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A: Let X be the distance in feet for a fly ball Given mean, μ = 270 feet Standard deviation, σ=42 feet

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Q: Assume the readings on thermometers are normally distributed with a mean of 0°C 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…

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