Which of the following is NOT TRUE regarding the comparison between the t- distribution and the standard normal distribution? *

Q: Using the Standard Normal Distribution Table, what is the likelihood that a score will fall below a…

A: Given: Z~N(0,1)

Q: IQ is a scoe that is transofrmed so that it has a normal distribution with a mean 100 and standard…

A: Given ,  IQ is a score (X) that is transformed so that it has a normal distribution. Mean = x¯ = 100…

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: some of the distinguishing properties of a normal distribution? How does the shape of the normal…

A: Some of the distinguishing properties of a normal distribution are: The normal distribution is a…

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: True or false: the t-distribution with 11 degrees of freedom has wider tails than the standard…

A: We have given that t-distribution with 11 degrees of freedom has wider tails than the standard…

Q: Use a standard normal table such as this one or technology to determine the proportion of…

A:

Q: What is the special property of the standard normal distribution?

A: Standard normal distribution: The total area under the density curve is equal to 1.

Q: About % of the area under the curve of the standard normal distribution is between 0.059 and z =…

A: Press 2nd and VARS Choose normalcdf

Q: Explain the difference between binomial and normal distribution

A: It is asked to tell the difference between the binomial and normal distribution

Q: Gender analysis: Is there a statistically significant difference between the genders?  Use Excel’s…

A: As per guidelines we will only answer the first three subparts, please repost other subparts for…

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: True or False? The 5% lower quantile of a t-distribution is LESS than the 5% lower quantile of a…

A: Introduction: Suppose X is a random variable, and x0.05 is the 5% lower quantile, that is, the 5th…

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

A:

Q: What percentage of z-scores in the standard normal distribution are between z = -.20 and z = .40

A: Finding the p-value from z using excel

Q: Sketch the normal distributions with μ = 6, σ = 4

A: The mean is 6 and the standard deviation is 4.

Q: With a standard normal distribution, +/-1 standard deviation from the mean include what percent of…

A: According to the provided information, with a standard normal distribution, ±1 standard deviation…

Q: These curves represent normal distributions with different means and standard deviations. What do…

A: On the basis of the above Normal Curves given :

Q: For normal distribution with a mean of 4 and a standard deviation of 2, the value 5 has a z value of…

A: Mean, μ = 4 Standard deviation, σ = 2 Raw score, X = 5

Q: On a standard normal distribution, what percentage of scores lie within 1.29 standard deviations on…

A: Given that, Standard normal distribution.

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: = What is the mean of the p distribution? p=

A: We know that• The mean of the sampling distribution of sample proportion, p^ is equal to the…

Q: ular steel plate used in constructions has a normal distribution with a mean

A: Given: μ=80, σ=9 The corresponding z-value needed to be computed:

Q: On standard normal distribution, what percentage of scores lie within 1.93 standard deviations on…

A:

Q: Describe Normal and Chi-Square Distributions?

A: There are different types of distributions. The basic distribution with probability of success for…

Q: How do you specify a t-distribution? Under what condition a t-distribution becomes almost same as…

A: We have to specify a t distribution and the condition under which t distribution tends to standard…

Q: If Z follows standard normal distribution, then the mean of Z equals

A: The objective is to find the value of mean if z follows standard normal distribution.

Q: A psychology class consists of 32 freshmen and 48 sophomores. If the professor selects names from…

A: Total students = 32+48 = 80 P(freshman) = 32/80 = 0.4

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: A population forms a normal distribution with a mean of 85 and a standard deviation of 24 compute…

A: The mean is 85 and the standard deviation is 24.

Q: On a standard normal distribution, what percentage of scores lie within 1.49 standard deviations on…

A: For standard normal distributionMean(μ)=0sd(σ)=1P(-1.49<z<1.49)=?

Q: A data set includes weights of garbage discarded in one week from 62 different households. The…

A: DF = n-2 = 62-2 = 60

Q: Using the Standard Normal Distribution Table, what proportion of individuals fall ABOVE a z-score of…

A: Given:The z score is above +2.22.

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: What is the formula for the standard error of the normal approximation to the p distribution. P=

A: We know that- The standard error is the standard deviation of its sampling distribution. It also…

Q: he sampling distribution of differences between means approximates a normal cure whose is zero. mode…

A: The statement in the question seems to be a bit confused. In a sampling distribution of differences…