2. Which of the following is NOT a property of the normal random distribution?A. The curve is symmetrical about its center.B. It has different mean, median, and mode.C. The width of the curve is determined by the standard deviation of the distribution.D. The curve is asymptotic to the x-axis.3. What can you say about the mean, median and mode of a normal random distribution?A. The mean, median, and mode are the same.B. The mean is always larger than the median.C. The mode is always larger than the mean.D. The mean is located at the left, the median is at the center and the mode is at the right.4. What is the area under the normal curve?A. Less than 1В. 1С. 2D. 35. What ise meant by the word asymptotic?A. It is close to the origin.B. It forms a bell-shaped curve.C. It moves closer and closer to the line or axis but never touches it.D. It moves from left to right.6. Which of the following is an example of a normal random distribution?A. Size of shoes of femalesB. Height of buildings around the worldC. Scores of students in an easy testD. Scores in a very difficult test7. Which of the following is an example of a normal random distribution?A. weights of obese childrenB. weights of malnourished childrenC. height of peopleD. Distribution in Olympic long jumps8. Which of the following shows the curve of a distribution with the same mean but with differentstandard deviations?VItn differeni siandara UOTU VВ.A.

(2) We have given that, Which of the following is Not property of the Normal random distribution?…

Answered: 2. Which of the following is NOT a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The normal distribution is ____. a. skewed to the right b. symmetric c. asymmetric d. skewed to the left
Please answer. Thank you!
A fitness center bought a new exercise machine called the Mountain Climber. They decided to keep track of how many people used the machine over a 3-hour period. Here X is the number of people who used the machine. X 0 1 2 3 4 PX 0.2 0.2 0.1 0.4 0.1 Find the mean,variance and standard deviation
Shaded diagram.. 3. The random variable X has a normal distribution with mean 80 and standard deviation 6. Choose random samples of size 40 from this distribution. Let X be the random variable of sample means. (5) a. What is the distribution of X ? (5) b. What is the mean of X ? y
The distribution is used when the population distribution is normal and Select one: O a. Both a and b are correct. O b. When the sample size is more than 30. O c. When sample size is less than 30 and the population standard deviation is not known. O d. The population standard deviation is also known.
One property of the F-distribution used for the Analysis of Variance is thatA. It is symmetric.B. The exact shape of the F-distribution depends on two different degrees of freedom.C. Values of the F-distribution can be negative.D. The total area under the curve is equal to 2.
Which of the following is not true about a distribution's shape? O It the mean is much less than the median, there could be outliers on the lower end of the distribution. O If the mean is much greater than the median, the distribution is most likely skewed right. O If the mean and median are the same, the distribution is most likely symmetric. O If the distribution is symmetric, there must not be any outliers.
A researcher wants to know if there is a difference between the mean amount of sleep that people get for various types of employment status. The table below shows data that was collected from a survey. Full Time Worker Part Time Worker Unemployed 6 6 7 5 6 7 8 9 9 7 6 8 8 8 8 8 8 8 6 6 8 8 7 6 9 Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.01α=0.01.H0: μ1=μ2=μ3H0: μ1=μ2=μ3H1:H1: At least two of the means differ from each other. For this study, we should use Select an answer 2-PropZTest 2-PropZInt 1-PropZInt 2-SampTInt 1-PropZTest T-Test χ²-Test ANOVA χ²GOF-Test TInterval 2-SampTTest The test-statistic for this data = (Please show your answer to 3 decimal places.) The p-value for this sample = (Please show your answer to 4 decimal places.) The p-value is Select an answer less than (or equal to) alpha greater…
What is the probability of randomly selecting a z-score less than z = -0.25 from a normal distribution? a. -0.4013 b. -0.5987 c. 0.4013 d. 0.5987
Which of the following are true? There is more than one correct answer.
Which of the following is a consequence of increasing variability? a. The distance from one score to another tends to increase, and a single score tends to provide a more accurate representation of the entire distribution. b. The distance from one score to another tends to increase, and a single score tends to provide a less accurate representation of the entire distribution. c. The distance from one score to another tends to decrease, and a single score tends to provide a more accurate representation of the entire distribution. d. The distance from one score to another tends to decrease, and a single score tends to provide a less accurate representation of the entire distribution.

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2. Which of the following is NOT a property of the normal random distribution? A. The curve is symmetrical about its center. B. It has different mean, median, and mode. C. The width of the curve is determined by the standard deviation of the distribution. D. The curve is asymptotic to the x-axis.