On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 103 and a standard deviation of 16. Suppose one individual is randomly chosen. Let X- IQ of an individual. a. What is the distribution of X? x-N( Round your answer to 4 b. Find the probability that a randomly selected person's IQ is over 100 decimal places. c. A school offers special services for all children in the bottom 7% for IQ scores what 1s the highest IQ score a child can have and still receive special services? Round your answer to 2 decimal places. d. Find the Inter Quartile Range (IQR) for IQ scores. Round your answers to 2 decimal places. Q1 Q3 IQR

Q: S The age of professional racecar drivers is normally distributed with a mean of 28 and a standard…

A:

Q: The Credit Risk Department of a major bank estimates the default rate on loans under $10,000 to be…

A:

Q: with a mean of µ = 70 and a standard deviation of σ = 10, what is the probability of obtaining a…

A: Given Data : Population Mean,μ = 70 Population Standard Deviation,σ = 10

Q: Assuming that the scores of the student in a test are normally distributed with the mean of 40 and…

A: Given data mean =40 ,standard deviation =6

Q: Suppose the people living in a city have a mean score of 49 and a standard deviation of 77 on a…

A: Hello there! I see there are more than 3 sub parts in the question. According to our policies can…

Q: a) the distribution of the mean? b) the probability that the sample mean is less than 15.6 mm? c)…

A: Let , X→N(μ=12 , σ=4) , n=16 Our aim is to find the following :  a) the distribution of the mean? b)…

Q: Suppose a nomal distribution has a mean of 50 and a standard deviation of 3. What is Aes 47y OA 0.16…

A: Given that a normal distribution has a mean of 50 and a standard deviation of 3. That means μ=50 and…

Q: Based on previous studies of school children who were vaccinated and contracted the flu, the time in…

A: As per our guidelines we can solve first multiple-choice question and rest can be reposted.…

Q: For a population with a mean of μ = 26 and a standard deviation of σ = 14, find the z-score…

A:

Q: A survey of 1000 women ages 20 to 30 found that their heights were normally distributed, with a mean…

A: (a) From the given information The mean is 65 in. and a standard deviation is 2.5 in. The mean x¯ of…

Q: Given a population where p = 0.10, find the standard deviation of the samping distribution when n =…

A: It is given that p is 0.10 and n is 500.

Q: Suppose that people heights (in centimeters) are normally distributed, with a mean of 170 and a…

A:

Q: Suppose that the average amount of ice cream that children eat at birthday parties is 3.6 oz, with a…

A: a. Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: Given a distribution that has a mean of 37 and a standard deviation of 12, calculate the probability…

A:

Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5 find P(X…

A: Given dataMean = 35Standard deviation = 7.5

Q: Suppose samples of size 100 are drawn randomly from a normal population that has a mean of 20 and a…

A: Solution: Let X be the random variable. From the given information, X follows normal distribution…

Q: A certain machine makes electrical resistors having a mean resistance of 50 ohms and a standard…

A: As per our guidelines we are suppose to answer only one question.

Q: 1. The average grade of 2nd year students majoring in Civil Engineering is normally distributed with…

A: NOTE- AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY      Here Given For  Civil…

Q: A normally distributed population has a mean of 88 and a standard deviation of 10. When a sample of…

A: Here the given population mean is 88 and population standard deviation is 10.

Q: Suppose the mean age of all adults when they themselves purchase their first car is 22 with standard…

A:

Q: Suppose the heights of 18-year-old men are approximately normally distributed, with mean 69 inches…

A:

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: In the past Algebra classes, records show that the average score of the students in the mid-term…

A: As per our guidelines we can solve first three subpart and rest can be reposted. Solution-: Let, X=…

Q: A business owner usually requests freelancers to work with, where he pays his freelancers an average…

A: From the given information, the mean is 15.90 and standard deviation 1.50.

Q: Given a population where p = 0.10, find the standard deviation of the samping distribution when n =…

A:

Q: A certain machine makes electrical resistors having a mean resistance of 50 ohms and a standard…

A: Percentage of resistor having exceeding resistanc 56 ohms =6.68%  # option(c) correct

Q: For women aged 18-24, systolic blood pressures (in mm Hg) are normally distributed with a mean of…

A: Here the systolic blood pressure is normally distributed with mean=114.8 and standard…

Q: In order to set rates, an insurance company is trying to estimate the number of sick days that full…

A: Given Margin of error=1 Standard deviation=3.6 Significance level=0.05

Q: Suppose the mean height of Grade 11 male students in a certain school is 170 cm, and that the…

A:

Q: Find the mean, p, for the binomial distribution which has the stated values of n and p. Round answer…

A: As per company guidelines I solved only First questions..thank you

Q: The volume of cracker boxes are normally distributed, with a mean of 7 oz and a standard deviation…

A: It is given that:

Q: In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a…

A: Given,mean(μ)=67.7standard deviation(σ)=4

Q: For a sample of n = 100, what is the standard deviation of the binomial distribution with p = .20…

A: Given : It is asked to find the of n = 100 With the given standard deviation p = 0.20 and q = .80

Q: Assume that the heights of adult puffins are normally distributed, with a mean of u = 16.1 inches…

A: According to our guidelines we can solve only the first three-part of the question. ize (n) = 16

Q: Suppose the people living in a city have a mean score of 35 and a standard deviation of 9 on a…

A: A normal distribution has a bell shaped which is centred at mean. The standard normal distribution…

Q: The number of pages produced by a fax machine in a busy office is normally distributed with a mean…

A: Normal distribution

Q: Suppose you sample one value from a uniform distribution with a = 0 and b = 20. a) What is the…

A: Let the random variable X follows uniform distribution on interval [a = 0, b= 20]   The PDF of…

Q: Suppose annual salaries for sales associates from Hayley's Heirlooms have a bell-shaped distribution…

A: It is given that the annual salaries are distributed bell shaped (approximately normal) with mean of…

Q: If a gambler places a bet on the number 7 in​ roulette, he or she has a​ 1/38 probability of…

A:

Q: Suppose the people living in a city have a mean score of 35 and a standard deviation of 10 on a…

A: Note: Hey, since there are multiple subparts posted, we will answer first three subparts. If you…

Q: The volume of cracker boxes are normally distributed, with a mean of 7 oz and a standard deviation…

A: Obtain the standard z-score for  equals 6.5. The standard z-score for equals 6.5 is obtained below:…

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

A:

Q: Multiple questions

A: Given dataMean = 71Standard Deviation = 8a)The Lowest Score for A grade is given by p-value will be…

Q: Suppose a subdivision on the southwest side of Denver, Colorado, contains 1,800 houses. The…

A: Given E(x) =229000 S. D. =8500 Sample size=110

Q: Assume that the heights of blocks are normally distributed, with a mean of 14.6 inches and a…

A:

Q: Given a test that is normally distributed with a mean of 100 and a standard deviation of 12, find:…

A:

Q: The volume of cracker boxes are normally distributed, with a mean of 7 oz and a standard deviation…

A: It is given that:

Q: The Weschler Intelligence Scale (IQ) for Children is approximately normally distributed with a mean…

A: Thanks for giving opportunity to serve for bartleby students,   Hey, There ! Thank you for posting…

Q: In a certain​ distribution, the mean is 70 with a standard deviation of 5. At least what fraction…

A: Given. μ=70 σ=5 We have to determine the fraction of of the numbers are between 60 and 80.…