Comment on the skewness and kurtosis of the distribution. fili, .

Q: then the probability that a randomly selected AN screw will measure between 2.6 cm and 3.6 cm is:…

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Q: Find mode of Poisson distribution.

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Q: Discuss a continuous uniform or Rectangular distribution and its properties and show its…

A: A uniform distribution is a type of probability distribution in which all the outcomes are equally…

Q: can you briefly help me explained what happened in this Theorem? I already know that the…

A: Given information: T is set of 20 means calculated from finding samples of size 20 from the larger…

Q: Calculate Pearson’s coefficient of skewness. Hence, describe the shape of the distribution of the…

A: Skewness of a certain frequency distribution is used to measure the amount by which it deviates from…

Q: first four moments of distribution about the value 5 of the 10 and 15. Describe the nature of…

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Q: The annual rainfall in a certain region is modeled using the normal distribution shown below. The…

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Q: The diameter of ball bearings produced in a manufacturing process can be explained using a uniform…

A: Let "X" be the diameter of ball bearings produced in a manufacturing process in millimeters.…

Q: A manufacturer has designed a process to produce pipes that are 10 feet long. The distribution of…

A: Please note that as per our guidelines we can answer the first three sub-parts only. Please repost…

Q: Explain t- and F-Distributions and how does it affect the parameters and random variables of a…

A: Please find the explanation below. Thank you

Q: Comstruct the graph and compute for the value of skewness. Identify the type of skewness and its…

A: Given: Mean=45Median=44standard deviation=6

Q: Comment on the skewness of this distribution.

A: Boxplot:   The statistical data is representing in simple way to plot the data based on the five…

Q: Use the normal approximation to estimate the probability of getting exactly 48 girls in 100 births.…

A: Given: The sample size of births is n=100. The probability of birth of a girl is p=0.5. For Binomial…

Q: The average time taken to run 10km, X, follows a normal distribution with μ = 60 minutes and σ = 15…

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Q: Calculate using the normal approximation the probability that exatcle five people will have type O…

A: Given : There are 50% of the population that have type O blood  and 16 people were selected.

Q: Find the prob that the device does not faul before 17.6 days The gamma distribution with shape…

A: From the given information, the gamma distribution with shape parameter 5 and mean 11 of the time…

Q: it be appropriate to use a normal distribution to approxi- mate the binomial distribution?

A: for normal distribution to approxiamte  the binomial distribution  np ≥10  and n(1-p)≥10

Q: me between arrivals of robability distribution w

A: Exponential Distribution: A continuous random variable X is said to follow Exponential distribution…

Q: Investigate and explain about t- distribution and then provide 2 examples and solve it by using the…

A: A probability distribution for a particular random variable is function of values that maps the…

Q: Find the moments of Cauchy distribution.

A:

Q: If a sample is randomly collected, we can be assured that the data follows a normal distribution.…

A: We know that ;  Any randomly collected data follows normal distribution if and only if data set must…

Q: bility of getting be

A: mean = 9  standard deviation = 2.5 to find P(X<8)

Q: When can we apply t-distribution?

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Q: The mean of F-distribution is given by ____________________ and the variance is given…

A: First of all we have to know random variable F- It is defined as the ratio of 2 independent…

Q: If Y is the smailest item of 3 independent observations X, X2, X, from a Weibull distribution with…

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Q: The annual rainfall in a certain region is modeled using the normal distribution shown below. The…

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Q: a. Reflect how normal distribution will be useful in your field? Give an application related to…

A: Normal distribution is one of the very important tools used in statistics. It helps to determine…

Q: The time of a call to a technical support line is uniformly distributed between 2 and 10 minutes.…

A: Given information- We have given the problem of uniform distribution. Lower limit (a) = 2 minutes…

Q: aper. 1 What are the characteristics of a t-distribution? (Give at least 3 characteristics).

A: t-distribution: It is defined as the deviation of sample mean from its population mean expressed in…

Q: The hypergeometric distribution is used for situations when sample observations are replaced in the…

A: False

Q: Describe Simple Discrete Distributions?

A: The outcome of an set of data are distributed in two forms. They are continuous distribution and…

Q: The elongation of a steel bar under a particular load has been established to be normally…

A: Given : Mean , μ = 0.05 inchStandard deviation, σ = 0.01 inch     (a) above 0.1 inch We have to…

Q: The length of time a part lasts after continuous usage follows a Weibull distribution (in hours)…

A: Assume, X be the random variable representing the length of time a part lasts (in hours), which…

Q: Poisson distribution is applied for ___________

A: Here use basic of poission distribution

Q: When the binomial distribution is be used, dependent. the outcomes must ylgn ihi

A: Given,When the binomial distribution is used , the outcomesmust be dependent.

Q: The average time taken to run 10km, X, follows a normal distribution with μμ = 60 minutes and σσ =…

A:

Q: The height of an 8th grader is modeled using the normal distribution shown below. The meen of the…

A:

Q: The mean and variance of a binomial distribution are 9 and 6 respectively. Find the value of n.

A: Solution-: Given: The mean and variance of binomial distribution are 9 and 6 respectively. i.e. We…

Q: I. Determine whether Symmetric or Asymmetric Distribution.

A: Here for symmetric distribution  Mean = Median = mode

Q: how to find that which type of kurtosis is represent by the curve in sample distribution.

A: Kurtosis is a statistical measure that defines how heavily the tails of a distribution differ from…

Q: Please explain the formula for Expected Value for Hypergeometric Distribution using an example

A: The hypergeometric distribution is used when there are total N objects in which k number of…

Q: When taking a sample for research we need to be mindful of the Central Limit Theorem which assumes…

A: Central limit theorem :  The central limit theorem tells , exactly what the shape of the…

Q: The height of an 8th grader is modeled using the normal distribution shown below. The mean of the…

A: Solution

Q: The annual rainfall in a certain region is modeled using the normal distribution shown below. The…

A: Empirical rule: The probability of the observation lies within 1 standard deviation of the mean,…

Q: Find Mode and Skewness of x2-distribution.

A: ANSWER: For the given data,

Q: The average number of cavities that thirty-year-old Americans have had in their lifetimes is 4. Bo…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: For a distribution, the mean is 10, variance is 16, y, is + 1 and B, is 4. Obtain the tirst tour…

A: Given that, for a distribution,  the mean is 10, variance  is 16, γ1 is +1 and β2 is 4. We need to…