H tire mean 35,800miles and st. deu 4825miles If a random sample of 50 tires is ta Ken Whatis the the tires is less than 35,000 miles? company manufactures tires with S- probability that the mean liteof

Q: In Binomial Distribution, If q=60% and n=12, then the mean is 0.72. (True or False)

A: Solution: From the given information, q=0.60 and n=12.

Q: Use excel please

A: Given: Population meanμ=48Population varianceσ2=64Population standard deviation=64=8Sample size(n)=9

Q: Derive mean and variance of gamma distribution.

A:

Q: A manufacturer produces 54-pound lifting weights. The lowest actual weight is 40 pounds, and the…

A: Solution

Q: Students mark on an exam has a normal distribution with a mean of 65 and SD 10. What is the…

A:

Q: Variance and Standard Deviation n=12 34, 28, 45, 48, 24, 41, З8, 46, 43, 29, 31, 30

A: Given data, 34,28,45,48,24,41,38,46,43,29,31,30   Mean is μ=∑xnμ=43712μ=36.4166

Q: The number of ants per acre in the forest is normally distributed with mean 45,000 and standard…

A: Solution: Let X be the number of ants in a randomly selected acre of the forest. From the given…

Q: An analysis of variance is used to compare the differences in O variances O standard deviations O…

A: The study is about the analysis of variance.

Q: We are interested in the mean migration distance of Canadian geese. Suppose that we know that the…

A: Sample size n =25 Population mean μ =2500 Population standard deviation =250

Q: USE 3 DECIMALS A producer claims that his potato chips weight has a normal distribution at least 150…

A: Given Data : For Sample 1 x̄1 = 148.0 s1 = √8 = 2.8284 n1 = 21 For…

Q: 1 example of mean and variance

A:

Q: The work week for adults in the US that work full time is normally distributed with a mean of 47…

A: Given data is48,42,55,51,48,65,54,54,45,49,53,50sample size(n)=12significance level(α)=0.10

Q: One of the conditions for one-sample z test is that the population standard deviation is known.…

A: It is given that the statement about to the z-test. Here need to find out the given statement is…

Q: 21. The mean height of a Clydesdale horse is 72 inches with a standard deviation of 1.4 inches. What…

A: Mean(µ) = 72Standard deviations (σ) = 1.4X ~ N (µ, σ )= N(72, 1.4)

Q: What does standard deviation measure in a probability distribution

A: In simple words, Standard deviation measures the variability of all possible outcomes of a…

Q: and characteristic function of Normal

A: The characteristic function of a normal random variable is a complex-valued function that completely…

Q: The amount of calories consumed by customers at the Chinese buffet is normally distributed with mean…

A: Given information: Let the amount of calories that a customer consumes be denoted by X. Then X is a…

Q: Give conditional variance.

A:

Q: What is the mean of the sample distribution? What is the R code to find the probability that this…

A: The population mean: μ=2500 Standard deviation: σ=250 Sample Size: n=25

Q: A fair coin is tossed 60 times. Find the probability that the head appears between 20 and 40 times…

A: X~Bin(n=60, p=0.5) P(20<X<40)= ?

Q: cores of the 7 randomly selected students are 35,17,15,31,22,27,38. Complete the table and compute…

A: To find the sample mean, sample variance and sample standard deviation.

Q: In experiments, we truly hope to find an increase in extraneous influence within-groups variance…

A: Introduction: It is required to choose the correct option regarding experiments.

Q: Q2) EXAMPLE WIT RMAL RANDUM VARIABLE: turn in the printout Suppose the random variable "height" has…

A: Given that μ=67 and σ2=14, σ=14=3.7417 Sample size, n=10: R code: Sample mean for n=10 is 66.02215…

Q: Differentiate the different distributions 1. Normal 2. t-distribution

A:

Q: Suppose math scores on the SAT are normally distributed with a mean of 500 and a standard deviation…

A:

Q: How can we calculate the probability-weighted average of the squared deviations?

A:

Q: Example 5 Mean of a binomial distribution is 20 and the variance is 16. Calculaten, pandq

A: Given;X~binomial(n,p,q)and Mean=20  i.e.  np=20    variance=16 i.e. npq=16

Q: A college entrance exam company determined that a score of 22 on the mathematics portion of the exam…

A: From the provided information, Sample size (n) = 200 Sample mean (x̄) = 22.6 Sample standard…

Q: Mod/quiz/attempt.php?attempt=1261337&cmid%3670036&pag- s || fall20 n5 In any data set, at least 65%…

A: Given information: The percentage of data is 65%.

Q: Exhibit 9-22 The manager of a grocery store has taken a random sample of 36 customers. The average…

A:

Q: A leading magazine reported at one time that the average number of weeks an individual is unemployed…

A: We have given that  X~N(mu,sigma ^2) mu=29 ,sigma =3.5 Z-socre =(x-mu)/sigma

Q: Provide all necessary computations and a properly labeled curve in asnwering the following. Sam…

A:

Q: To conduct a hypothesis test comparing two population variances, both pop must be normally…

A: Assumptions for two sample variance test: Two populations should be normally distributed. Two…

Q: State Wyoming D.C Kentucky South Caro Alabama Louisiana 17453 Idaho Tennessee 10003 Washingtor 16357…

A: The data on energy consumption (in kilowatt-hours) per capita for each 50 states and the District of…

Q: Ques45)The first and third quartile of a normal distribution respectively. Then distribution is the…

A:

Q: standard deviation for 15, 22, 18, 7 13, 12

A: Solution: Let X be the random variable. The given data is 15, 22, 18, 7, 13 and 12.

Q: What probability with the average of nine randomly selected individuals from the normally…

A: Given: Population mean(μ)=48 Population variance(σ2)=64 Population standard deviation=σ=64=8 Sample…

Q: Assume that the total cholesterol levels for adults are normally distributed with mean cholesterol…

A:

Q: The number of ants per acre in the forest is normally distributed with mean 42,000 and standard…

A: The normal distribution is symmetric distribution. The mean, mode, and median of the normal…