The graph of the normal distribution resembles a "bell" curve. True False

Q: The

A: Z score is the number of standard deviations from the mean value of the reference population. It is…

Q: A normal distribution has a mean of 0 and a standard deviation of -1.0. Is this possible? Explain.…

A: I want to tell you which one is the correct choice  Given  Normal distribution with mean=0 and…

Q: State the properties of s normal distribution.

A: Normal distribution- when mean is 0 and standard deviation is  1 is called standard normal…

Q: The probability of any one particular value in the normal distribution

A: The probability value always lies between 0 and 1 for any distribution.

Q: In a normal distribution, approximately ___ percent of the distribution falls between three standard…

A:

Q: Which of the following is not a characteristic of a normal distribution? A The mean, median, and…

A: Given: We need to determine which is not a characteristic of normal distribution.

Q: et-distribution curve will eventually approach a normal curve as we increase the degrees of freedom…

A: We know that  The t - distribution depends on degrees of freedom  Df = n -1

Q: This describes the long -run behavior of a statistic .  - distribution of Mus (population means ) -…

A: One standard deviation, or one sigma, plotted above or below the average value on that normal…

Q: The tail is on the right side of a normal distribution for any z-score value greater than zero. True…

A: We want to tell the above statement is true/false.

Q: any normal distribution, a z-score of z = -1 separates the highest 68% of the scores from the rest…

A: Given that  A z-score of z = -1 separates the highest 68% of the scores from the rest of the…

Q: Find the probability for a normal

A: Requirement of the problem: P-1.20=Pz≤-1.20. Consider, Pz≤-1.20=0.1151, from the standard normal…

Q: Given a distribution that follows a standard normal curve. What does the graph of the curve do as z…

A:

Q: private consumption as a share of GDP is a random quantity that follows a roughly normal…

A: Given information Normal Distribution N(0.71,0.03) Mean (µ) = 0.71 Standard deviation (σ) = 0.03 X…

Q: What is the median of a continuous random variable? What is the median of an exponential…

A:

Q: What type of data could possibly follow a Normal distribution? O Binary O Qualitative Discrete…

A: According to the given information,  Normal distribution is used.

Q: A normal distribution curve has an egg shape when plotted. O True O False

A: Normal Distribution Curve The normal distribution is a symmetrical distribution function on both…

Q: Consider the Standard Normal distribution. The mean is always and the standard deviation is always

A:

Q: Find the 50th percentile of the standard normal distribution and draw the bell curve?

A: The required answer is below:

Q: A mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed,…

A: Mean ()=29000standard deviation ()=2400

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: Calculating the Z-score is the last step when evaluating a normal distribution curve. O True O False

A: Normal distribution: 1. It is bell-shaped is a symmetrical continuous probability distribution  2.…

Q: The sample standard deviation follows a normal distribution if the population follows a normal…

A: We know that- The population follows a normal distribution with mean and standard deviation, the…

Q: Suppose you have a normal distribution with mean 16. If you are given a data value of 14, would you…

A: We have to find out z score...

Q: Assume a normal distribution. What is p(z > +1 .75)?

A: Z follows standard normal distribution with mean 0 and variance 1

Q: Use the graph of the labeled Normal Distribution to identify u and o. u= 0= Normal Curve -11 -8 -5…

A: Graph is given, We have to calculate Mean and standard deviation for the graph.

Q: The empirical rule relates the standard deviation of a population to the probability of where a data…

A:

Q: Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and…

A: Standard Normal Distribution: A random variable z is said to be a standard normal variable if z…

Q: A standard normal distribution has a mean of one and a standard deviation of three. True False

A: The standard normal distribution is a normal distribution with a mean of zero and standard deviation…

Q: Find the 75th percentile of the standard normal distribution. (Round to three decimal places)

A: given data  standard normal distribution Z~N(0,1) 75th percentile = ?

Q: One of the characteristics of a standard normal curve is that its variance and standard deviation is…

A: We want to tell you which one is the correct choice

Q: graph below shows the graphs of several normal distributions, labeled A, B, and C, on the same axis.…

A: Given the three graphs shows the normal distribution laballed A,B and C on the same axis Find which…

Q: In a normal distribution curve, a greater standard deviation would ________."     "result in a…

A: A larger standard deviation indicates that the data is spread out around the mean; the normal…

Q: The standard normal curve is a normal probability distribution that has a mean of 1 and standard…

A: standard normal distribution:-x~N(μ,σ2) then z=x-μσ~N(μ=0,σ2=1)               ~N(0,1)is called…

Q: 1. The scores on a national achievement exam are normally distributed with a mean of 500 and a…

A:

Q: A mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed,…

A: The population mean is μ=25000. The population standard deviation is σ=2400. Let X be a random…

Q: A normal distribution has a data point 28.2 with a z-score of 1.4. If the standard deviation is 3.8,…

A: