The coefficient of variation of twwo distribution are 50,60. There A.M are 30,25 the D =? difference of their SiD

Q: Find xổ.05 for x² distribution with 40 degrees of freedom. -0.05

A:

Q: Suppose x has a distribution with μ = 61 and σ = 15. Find P(57 ≤ x ≤ 62). (Round your answer to four…

A: Note:Hey there! Thank you for your question. However, you have missed to mention the name of the…

Q: d) Due to the symmetry of the normal distribution we know that P(X > 28) = P(X < ).

A: GivenMean(μ)=44standard deviation(σ)=8Let "X" be the length(in cm) of aneel

Q: A normal distribution has a mean of u = 18 with o= 4. Find score (X) needed to be in the bottom 29%…

A:

Q: A vertical line is drawn through a normal distribution so that 17.36% of the distribution is located…

A: Given information, A vertical line is drawn through a normal distribution so that 17.36% of the…

Q: Consider a Uniform distribution defined as 2 < x < 8, fx(x) = }6 .03B е. w. Find E (-).

A: Given,

Q: a) Suggest a suitable distribution to model the number of customers arriving at the counter, X, per…

A:

Q: Assume that x has a normal distribution wit A USE SALT H = 48; o = 17 P(40 sxS 47)

A: Calculate the corresponding z scores as follows: Thus,

Q: For a distribution the mean is 10, variance is 16, y, is +1 and B, = 4. Obtain the first four raw…

A:

Q: 1. Which of the following is the test statistic to use when the sample data is less than 30? a. t=…

A: (1) We have given that,  The test statistic to use when the sample data is less than 30 ?  We have…

Q: 3. Assuming that the samples comes from normal distributions, find the margin of error E, given the…

A: Given that

Q: A. Determine the mean and standard deviation of the total thickness of the two halves. B. What is…

A: plastic casing for a magnetic disk is composed of two halves. The thickness of each half is normally…

Q: ants to determine the proportio he proportion exceeds 25%, the facilities. Suppose 250 business What…

A: Given, n=Total Sample size =250 Sample proportion, p^=75250=0.3 H0:p=0.25H1:p&gt;0.25, where p is…

Q: d. Use normal distribution (approximation) to answer part c. Is your answer similar to part c? Show…

A: Given:  Sample size n = 15 P( who spend more time playing video games) = 3/5 = 0.60

Q: To apply the binomial distribution properly (P+Q) must equal 1.00. a. False O b. True O c.…

A:

Q: A normal distribution has a mean of mu = 80 with o = 20. What score separates the lowest 30% of the…

A:

Q: i. form z or tar where df is the degrees of freedom. Round your answer to two decimal places.) State…

A: Mechanical Engineer n1 = 50x1 = 46300s1 = 3450 Electrical Engineern2 = 58x2 = 46800s2 = 4230…

Q: Suppose that ?, the rent of a one-bedroom apartment in Edmonton, follows a distribution with a mean…

A: The central limit theorem states that the distribution of the sample mean for large sample sizes…

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

A: GivenMean(μ)=50standard deviation(σ)=7

Q: Determine the distribution of Y if its MGF is as follows: = ∞ {£m² +0°r} a. my(t) = exp

A: it is the MGF of normal distribution.

Q: Assume a poison distribution if A = 3.7, find P(x=0) A represents a

A: We have given that,  Let X be random variable from Poisson distribution and A = 3.7, which is a…

Q: The first four moments of a distribution about the value 5 of the variables are 2, 20, 40 and 50.…

A:

Q: Given that X has a normal distribution with μ = 300 and σ = 50, i) Find the probability that X…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: Find the MGF of the binomial distribution and hence find its mean and variance. Binomial…

A:

Q: Consider the following set of three distributions, all of which are drawn to the same scale.…

A: A normal distribution is characterized by the following: 1. The mean which is the maximum value…

Q: The lengths of a professor's classes has a continuous uniform distribution between 49.29 min and…

A: Given a=49.29 b=55.55

Q: Since the sample size is than 5% of the population size and np(1-p) =2 10, the distribution of p is…

A: HERE GIVEN, p = 0.80 n= 100 here

Q: Using the t distribution with 34 degrees of freedom find P(-1.691< t< 2.411).

A:

Q: Assume the population distribution has a mean of 100 and a standard deviation of 10.  We test an…

A: The population mean is 100 and the standard deviation is 10.

Q: The spread of the sampling distribution of x¯x¯is ____________ the spread of the corresponding…

A:

Q: If X and Y have a bivariate normal distribution andU = X + Y and V = X − Y, find an expression for…

A: Lets Assume : xy~Nu1u2,σ12pσ1σ2pσ1σ2σ22

Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

A: Introduction: Denote μd as the true mean difference in the percentage increase in corporate revenue…

Q: You have a uniform distribution whose lowest value is a 2 and highest value is at 6. Find P(2.3 < X<…

A: Let X be the random variable that follows an uniform distribution with parameters a=2 and b=6. The…

Q: 4) Suppose that the lifetime of a component (in hours) is modeled with a Weibull distribution with B…

A: Wei bull distribution : The Weibull Distribution may be a continuous chance distribution which will…

Q: If X ~B(80,0.2), use the normal distribution to approximate the binomial distribution for: (ii)…

A:

Q: For a discrete distribution, show that B, 2 B,.

A:

Q: Suppose X - Fm,n- a) Find the distribution of 1/X. b) Find the distribution of (m/n)X Y = 1+ (m/n)X…

A: Given, X~Fm,n. The pdf of F-distribution is, f(x)=mnm2.xm2-1B(m2,n2) (1+mnx)m+n2

Q: In this problem, assume that the distribution of differences is approximately normal. Note For…

A: Given information: Given data represents the hours per fish caught fishing from shore and hours per…

Q: • Applying the empirical rule to a bell-shaped data distribution with u = 50 and o = 15, approxi-…

A: The Empirical rule to the bell-shaped data distribution (i.e., normal distribution) is observed as…

Q: 1. If the value of the skewness is positive then shape of the distribution is 2. PP, 3. The variance…

A: NOTE : As per our company guidelines, we are supposed to answer only the first 3 parts. Kindly…

Q: Hiw:ODetemine (c) So that the dollowing Junctions con Senue as the probab:lity distribution of…

A:

Q: The time to failure of a very sensitive part follows a Weibull distribution with a = 1 hou Calculate…

A: We want to the probability and  X~Weibull distribution(α=1,β=1)

Q: Find the variance for a Bernoulli distribution whose parameter is 0 = 0.81. Your answer should be to…

A:

Q: 4. If T follows a 17 distribution, find to such that (a) P(T| to) = .05.

A: It is given that T follows a t distribution with  degree of freedom. Here we need to find t0 such…

Q: A pharmaceutical company makes tranquilizers. It is assumed that the distribution for the length of…

A: Given data is 2.5,2.8,3.1,2.3,2.3,2.2,2.8,2.1,2.4sample size(n)=9

Q: How often was it above - 3°C at noon in Ajax last winter?

A: The noon-day temperature (in °C) in Ajax last winter can be represented by the normal distribution…

Q: Given that the variances of random variables X and Y are 1600 and 900, respectively. The correlation…

A: The following is the formulae for Var (X + Y)                               Var (X + Y) = Var (X) +…

Q: The Mean of Binomial distribution is 3 and variance is- Find 4 (i) the value of n (ii) p ( x 2 1 )…

A:

Q: Consider the following set of three distributions, all of which are drawn to the same scale.…

A: Topic - probability distribution