Consider a binomial random variable where the number of trials is 12 and the probability of success on each trial is 0.25. Find the mean and standard deviation of this random variable. O Mean = 4, Standard Deviation = 2.25 Mean = 9. Standard Deviation = 1.5 Mean = 6, Standard Deviation = 2.25 O Mean = 3, Standard Deviation = 1.5

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: Metabolic rate is the rate at which someone consumes energy. Data (calories per 24 hours) from 7…

A: n=7 Data: 1792,1666,1362,1614,1460,1867,1439

Q: suming you obtain a random sample of blood glucose level for a 32 individuals from a population and…

A: To find the probability that the mean blood glucose levels for the sample population will be above…

Q: Height X of adult men are normally distributed with mean 69.1 inches and standard deviation 2.92…

A: Given information- Let, X is height of adult men which is normally distributed. Population mean, μ =…

Q: Assume the random variable X is normally distributed, with mean u=57 and standard deviation o = 7.…

A: The random variable  X is normally distributed The population mean is 57. The population standard…

Q: ume that the random variable X is normally distributed with mean u=70 and standard deviation 9. Find…

A: Given data,Mean μ=70sd    σ=9Find the 40th percentile for X

Q: The life expectancy of a fluorescent tube is normally distributed with a mean of 6,800 hours and a…

A: Let, x: Life expectancy of a fluorescent tube and x~N( μ=6800,σ=1000)

Q: Working in the garden pulling weeds/planting flowers burns an average of 200 calories per hour. If…

A: It is given that  Mean, μ = 200 Standard deviation, σ = 9 Z-Score, Z = ( X - μ )/σ

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

A: Let x be an IQ scorewant to find the probability that the IQ score is less than 135i.e. P(X<135)

Q: X is a normally distributed variable with a mean of 200 and a standard deviation of 30. What is the…

A:

Q: The overhead reach distances of adult females are normally distributed with a mean of 38 cm and a…

A: GivenMean(μ)=38standard deviation(σ)=12

Q: A company is doing a hypothesis test on the variation in quality from two suppliers. Both…

A: supplier 1:first sample = n1 = 34standard deviation from of quality from supplier 1 is…

Q: Burger Hut sells 224 burgers on an average day, with a variance of 9 burgers. How many burgers…

A: Given: Population average number of burgers sold μ=224 Population variance σ2=9 Here, the number of…

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: A random variable Y has normal distribution with a mean of 80 and a standard deviation of 15.  What…

A: Mean()=80Standard deviation()=15

Q: A couple wishes to have children until they have exactly two female children in their family. p =…

A: Given problem Given that   A couple wishes to have children until they have exactly two female…

Q: The length of time it takes college students to find a parking spot in the library parking lot…

A:

Q: The random variable X has a normal distribution with a variance of 16 and an unknown mean. If the…

A: Given Data: X is a random variable   Variance (X)=16   X~ Normal (μ, 16) P(x>65)=0.025

Q: Find the probability that a randomly selected year of rain in Sydney, Australia has a yearly…

A: Given Population mean μ=137, population standard deviations σ=69, Let X be the rain in Sydney Note:…

Q: A population has a mean of 75 and a standard deviation of 15 you randomly sample nine people from…

A: Given population have mean 75 and standard deviation 15. A sample of 9 people from the population is…

Q: Tim is a researcher who is dealing with a SAMPLE of scores.  The SAMPLE of scores is: 15, 17, 19,…

A: Given data is 15, 17, 19, 22, 10, 23, 16, 15S.S=122.88

Q: Assume the random variable X is normally distributed with mean μ=50 and standard deviation σ=7.…

A: It is given that, the random variable X is normally distributed with mean μ=50 and standard…

Q: Q is normally distributed with a mean of 100 and a standard deviation of 15.  When selecting samples…

A: It is given that, IQ is normally distributed with a mean of 100 and a standard deviation of 15. So,…

Q: construct the normal model for data with a mean of 57 and a standard deviation of 6. Show the…

A: It is called empirical rule.  Given, Mu= 57 Sigma = 6

Q: IQ is normally distributed with a mean of 100 and a standard deviation of 15.  When selecting…

A:

Q: You know that buffaloes have adult weights that are distributed by B = N(2000,200) where the given…

A: GivenMean(μ)=2000standard deviation(σ)=200