1. Suppose a distribution has a mean µ = 2 and standard deviation o = 6. What is the value of x if it is z = +3.00? а. 20 b. 18 С. 6. d. 12

Q: For a population with u = 34, a score of X = 31 corresponds to z = -1.00. The standard deviation for…

A:

Q: Find each of the requested values for a population with a mean of µ 40, and a standard deviation of…

A: Given, μ=40σ=8 A. The required z-score corresponding to x=52 is obtained as- z=x-μσ=52-408=128=1.5…

Q: Suppose the mean and standard deviation of the GPAs at Loyola are Xbar = 1.675; and s =…

A: The objective of this question is to find Catherine's GPA given her z-score, the mean GPA, and the…

Q: c) A manufacturer of television tubes has two types of tubes A and B. The tubes have respective…

A: The variance and standard deviation are the absolute dispersion. Here, the standard deviation for…

Q: A cholesterol drug company wants to market their drug to women if their cholesterol is in the top…

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

Q: Suppose you have values on variable  equal to , and wish to compute a measure of variation from the…

A:

Q: 6. A population has a mean of = 80 and a standard deviation of o = 20. a. Would a score of X= 70 be…

A: The question is about z scores.Introduction :1 ) The raw value X considered to be extreme if  .2 )…

Q: For Questions 13 and 14. The temperatures for a certain brand of crockpots are normally distributed…

A: (13)  Let X be the random variable from normal distribution with mean (μ) = 260 and standard…

Q: 4. Shade the area of the curve that is within each boundary named. Within 1 standard deviation.…

A: The normal curves are given.

Q: 3.The mean of the annual amount British households spend for daily transportation is $6330. Assume…

A: Given: Mean annual amount spend for daily transportation by British households The amount spent is…

Q: 2. Compare the standard deviation to the population standard deviation. Then, compute for the…

A: Given Population standard deviations σ=1419, n=sample size=5, standard error=se=634.60

Q: Solve the following problems. 1. The full weight of a brand of a pack of sweet potato fries is a…

A: Disclaimer: Since you have posted multiple questions, we will solve first question for you. If you…

Q: 1. In a normally distributed set of data containing 24 114 scores, how many scores is expected to be…

A: As per our company guidelines we are supposed to answer only first question. Kindly repost other…

Q: Suppose the mean of a math exam score is 64 with a standard deviation of 10. If each score is…

A: Given: mean=64             S. D =10

Q: A sample of 12 measurements has a mean of 24 and a standard deviation of 2. Suppose that the sample…

A: A sample of 12 measurements has a mean of 24 and a standard deviation of 2. n=12,  x¯=24 s=2 Suppose…

Q: 4. Suppose X1 is normally distributed with a mean of 3 and standard deviation of 0.3. Suppose X2 is…

A: It is given that X1~N(3,0.3) and X2~N(5,0.7). That is, E(X1)=3, SD(X1)=0.3 and E(X2)=5, SD(X2)=0.7.…

Q: 14:34. Supposé thể Walst me and standard deviation 5 cms. Find the :number N of girls with waists-…

A: Givan Let X be a random variable with mean 66 Standard deviations= 5

Q: 6. A population of scores has u = 44. In this population, a score of X = 40 corresponds to z =-0.50.…

A: GivenMean(μ)=44x=40z=-0.50

Q: A researcher speculates that because of differences in diet, Japanese children have a lower mean…

A: According to the given information in this question, we need to identify the correct option

Q: For questions 5-8. In a certain barangay, Local Government Unit (LGU) distributes "ayuda" benefits…

A:

Q: 30. The distribution of weights for 12-month-old baby girls in the US is ap- proximately normal with…

A: we have to find percentile value......

Q: A variable of two populations has a mean of 7.9 and a standard deviation of 5.4 for one of the…

A: a.The mean of x1 and x2  is,