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

Q: Which discrete distribution has a difference between their means and variances equal to zero?

A: Ans- Which discrete distribution has a difference between their means and variances equal to zero ?

Q: In a standard normal distribution, the mean is always 0 Does this suggest that half of the scores…

A: In a standard normal distribution, the mean is always 0 and the Standard deviation is always equal…

Q: A Toronto Blue Jays baseball player is able to hit the ball for 74% of the pitches that the player…

A: It is given that 130 baseball pitches in a competition and 74% of the pitches that the player…

Q: If a distribution is normal, then it is not possible to randomly select a value that is more than 4…

A: Given : We have given normal distribution .

Q: True or False: The Chi-square distribution is normally distributed

A: Chi Square distribution : The square of the standard normal variate is known as a Chi square variate…

Q: For ANOVA, the denominator (bottom) of the F-ratio measures random/non-systematic variance. True…

A: The statement about ANOVA is given.

Q: ) In a normal distribution, what is the z- score of an observation that is at the 39th percentile?

A: We have to find z score..

Q: 1 Why do two normal distributions that have equal standard deviations have the same shape?

A: In this case, we need to explain the reason for the two normal distribution with equal standard…

Q: Determine the parameters of binomial distribution for which the mean is 5 and variance is 3…

A: given data binomial distribution mean = 5variance = 3n=? , p=?

Q: The mean monthly maximum temperatures for January in Melbourne can be modelled by a Normal…

A:

Q: What are the conditions for using a normal distribution to approximate a binomial distribution?

A: In probability distribution, the binomial distribution is a discrete probability distribution with…

Q: The Student's t distribution has the same symmetric bell shape as the standard normal distribution,…

A: The given statement is FALSE.

Q: If all normal distributions have the same shape, how do they differ?

A:

Q: The time it takes a runner of a marathon in a certain city to fifinish the race (fifinish time) has…

A: Given Data Population Mean,μ = 195.0 Population Standard Deviation,σ = 25.0

Q: When figuring probabilities for a normal distribution why is it necessary that we must convert to a…

A: For figuring out the probabilities for a normal distribution,whatever the parameters might be,we…

Q: There is a 5k race, time was normally distributed with a mean of 28 minutes and a sd of 5 minutes.…

A: It is given thatMean, μ = 28Standard deviation, σ = 5Z-Score, Z = ( X - μ )/σwhere, Z be the…

Q: Explain the Multivariate Normal Distribution?

A:

Q: Can a normal distribution always be used to approximate a binomial distribution?

A: we can use normal distribution to approximate a binomial t

Q: Computers are commonly used to randomly generate digits of telephone numbers to be called when…

A: No, we cannot use the methods of this section, because the distribution of randomly generated…

Q: The mean monthly maximum temperatures for January in Canberra can be modelled by a Normal…

A: We have to find given probability..

Q: Find the (a) mean, (b) median, (c) mode, (d) range, (e) midrange, (f) first quart (g) third…

A: Note: According to Bartleby expert guidelines, all expert solve only one question and maximum 3…

Q: Describe the two descriptions of skewness and Kurtosis distributions that researchers may encounter…

A: Skewness is a measure of the asymmetry of the probability distribution of a real-valued random…

Q: When calculating an ANOVA, if the research hypothesis is in fact true, then. variance due to group…

A:

Q: When can we apply chi-square distribution?

A:

Q: derive the variance of standard normal distribution using the MGF; show complete solution.

A: Given: random variable x follow standard normal distribution then derive the variance of standard…

Q: The normal curve: has only one peak, in the middle of the distribution. has multiple peaks in the…

A: The question is about normal distribution.Introduction :Normal distribution :1 ) It has two…

Q: True or false: As the degrees of freedom decrease, the Student's tdistribution becomes more like the…

A: As the degrees of freedom decrease, the student's t-distribution becomes more like tends to the…

Q: Explain why t distributions tend to be flatter and more spread out than the normal distribution

A: The t distribution is similar to the normal distribution; it has all the characteristics that normal…

Q: The peak of the Standard Normal Distribution curve will be lower when the standard deviation become…

A: The peak of the Standard Normal Distribution curve will be lower when the standard deviation become…

Q: Describe Simple Discrete Distributions?

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

Q: Prove that for any discrete distribution, standard deviation is not less than mean deviation from…

A:

Q: What is the difference between Gamma distribution and Chi-Squared Distribution

A: What is the difference between Gamma distribution and Chi-Squared Distribution

Q: Explain kurtosis of the distribution?

A:

Q: The mean pregnancy length of new mothers in a population is 267 days with a standard deviation of 10…

A: The pregnancy length of new mothers is normally distributed with mean 267 days and standard…

Q: Calculate power using the normal distribution?

A: Power of a test: The probability that not occurring the type II error is called power of the test.…

Q: A skewed population of scores can be transformed to the standard normal distribution by converting…

A: Z scores: The Z scores just implies how much standard deviation the data value is away from the mean…

Q: Determine the parameters of binomial distribution for which the mean is 5 and variance is 3…

A: Answer: From the given data, For a binomial distribution Mean = 5 Variance = 3

Q: Define the chi-squared distribution?

A: