On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 116 and a standard deviation of 17. Suppose one individual is randomly chosen. Let X = IQ of an individual. a. Find the probability that a randomly selected person's IQ is over 125. Round your answer to 4 decimal places. b. A school offers special services for all children in the bottom 6% for IQ scores. What is the highest IQ score a child can have and still receive special services? Round your answer to 2 decimal places. c. Find the Inter Quartile Range (IQR) for IQ scores. Round your answers to 2 decimal places. Q1: Q3: IQR:

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A: Given data 12.7,  24.5, 40.4, 30.8, 22.5, 15.6

Q: The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation…

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

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Q: Find the area of iPpupis AU -0.45 0 2.11 A. 0.3438 В. 0.6562 С. 1.3090 O D. 0.3090 loct vour answer.

A:

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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…

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

A: From the above given data the following solution is provided below:

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

A:

Q: b. Find the probability that a randomly hit fly ball travels less than 330 feet. Round to 4 decimal…

A:

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

A:

Q: Suppose, you play a game, and the result is simply "win" or "lose". For every 15 games played, you…

A:

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

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Q: Michelle, a telemarketer makes six phone calls per hour and is able to make a sale on 30% of these…

A: The question is about discrete probability distribution Given : No. phone call telemarketers makes…

Q: A manufacturer knows that their items have a normally distributed lifespan, with a mean of 7.2…

A:

Q: An operation manager at an electronics company wants to test their amplifiers. The design engineer…

A: Obtain the probability that the mean amplifier output would differ from the population mean by…

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A:

Q: A sample of 38 people are taken who who owns a red pair of shows. The std is 23 with an unlnown mean…

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Q: The mean number of eggs that a person consumes per year is 293.6 pieces. Assume that the standard…

A:

Q: Solve the following problem and show your complete solutions. Explain your answer for better…

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A:

Q: A person completes a timed task and is told that their z-score for the task is 1.36. The mean for…

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A: Z= x¯-μσn~N(0,1) n  = 36 , x¯ = 98.6 , μ = 98.6 , σ = 0.6

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

A: From the provided information, Mean (µ) = 100 Standard deviation (σ) = 15

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A:

Q: According to BusinessWeek, 44% of advertisers claim they have been a victim of internet click fraud.…

A: The mean is, μ=np=120×0.44=52.8 The mean is 52.8. The standard deviation is,…

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

A: It is given that the mean is 100 and standard deviation is 15.

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

A:

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…

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

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Q: Regardless of the kind of workout a gym goer does, the mean time spent on the treadmill is 45…

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

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.