Homework Answers
Option b is wrong. The graph of the normal probability distribution is bell-shaped. It is also known as Gaussian distribution.
In the normal probability distribution graph, the highest point of the curve shows the most probable events in a series of data. The remaining possible occurrences are equally distributed around the most probable events. It thus create downward sloping line on each side of the slope.
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Incorrect Question 9 0/1pts Which of the following is NOT a characteristic of the normal probability...
8. Which of the following is not a characteristic of the normal probability distribution? Select one:...
8. Which of the following is not a characteristic of the normal probability distribution? Select one: a. Symmetry b. The total area under the curve is always equal to 1. c. 99.72% of the time the random variable assumes a value within plus or minus 1 standard deviation of its mean d. The mean is equal to the median, which is also equal to the mode. 10. Given that z is a standard normal random variable, what is the probability...
Which of the following is not a characteristic of the normal probability distribution? Multiple Choice 0...
Which of the following is not a characteristic of the normal probability distribution? Multiple Choice 0 The mean is equal to the median, which is also equal to the mode. 0 The total area under the curve is always equal to 1. 0 The mean is 0 and and the standard deviation is 1. The The distribution is symmetrical
Which of the following statements is not a property of the normal probability distribution?
Which of the following statements is not a property of the normal probability distribution?A. The normal distribution is symmetricB. Exactly two-thirds of all possible observed values of the random variable x are within plus or minus one standard deviations of the population meanC. The mean, median and mode are equalD. The area under the normal curve to the right of the mean is equal to the area under the normal curve to the left of the meanE. All of the...
0.In a normal distribution, plus and minus 2 standard deviations from the mean will include about...
0.In a normal distribution, plus and minus 2 standard deviations from the mean will include about what percent of the observations? A) 50% B) 99.7% C) 95% D)68% 21. What is the area under the normal curve between z -0.0 and z-2.0 A) 1.0000 B) 0.7408 C) 0.1359 D) 0.4770 22. Which of the following is NOT a characteristic of the normal probability distribution? A) Positively-skewed B) Bell-shaped C) Symmetrical D) Mean Mode and median are all equal 23. A...
Which of the following is NOT a characteristic of a normal curve? Select one: a. The...
Which of the following is NOT a characteristic of a normal curve? Select one: a. The mean, median, and mode are equal. b. The curve is symmetrical c. Most of the observations fall at or above the mean. d. The curve approaches but never touches the x-axis.
* Select all the True statements about the normal probability distribution.* a) The random variable takes...
* Select all the True statements about the normal probability distribution.* a) The random variable takes any value. b) The distribution has one mode and has positive skew c)The mean, median, and mode are equal. d) Standardizing an observation of any normal distribution allows the use of the standard normal (Z) distribution tables. e) The distribution has one mode and is bell shape. f) The area under the bell curve is 1 exactly. g) The random variable does not take...
Which of the following is not a characteristic of the normal probability distribution? Note: The question...
Which of the following is not a characteristic of the normal probability distribution? Note: The question is about normal distribution; not about standard normal distribution. A.) The distribution is symmetrical B.) The standard deviation must be 1 C.) The mean of the distribution can be negative, zero, or positive
Which of the following is not a characteristic of the normal distribution? a) The total area...
Which of the following is not a characteristic of the normal distribution? a) The total area under the curve is 1.0 b) The curve is symmetric about the mean c) The value of the mean is always greater than the value of the standard deviation d) The two tails of the curve extend indefinitely
Identify which of the following is not a property of the standard normal curve. Choose the...
Identify which of the following is not a property of the standard normal curve. Choose the correct answer below. O A. The mean, median, and mode are all equal to zero. O B. It has inflection points at u 1 20. OC. It is symmetric about its mean of zero, and has standard deviation equal to 1. OD. As the value of z increases, the graph approaches, but never equals, zero.
(10) 12. Which of the following characteristics are true for a normal probability distribution? (CIRCLE ALL...
(10) 12. Which of the following characteristics are true for a normal probability distribution? (CIRCLE ALL THAT ARE TRUE) A) The area under the curve is 1. B) It is symmetrical. C) The midpoint is also the mean. D) The total sample space for the normal distribution is all positive integers E) 95% of the area under the Normal PDF curve is within One Standard Deviation from the Mean.
Which of the following is not a characteristic of the normal probability distribution? Multiple Choice 0 The mean is equal to the median, which is also equal to the mode. 0 The total area under the curve is always equal to 1. 0 The mean is 0 and and the standard deviation is 1. The The distribution is symmetrical
0.In a normal distribution, plus and minus 2 standard deviations from the mean will include about what percent of the observations? A) 50% B) 99.7% C) 95% D)68% 21. What is the area under the normal curve between z -0.0 and z-2.0 A) 1.0000 B) 0.7408 C) 0.1359 D) 0.4770 22. Which of the following is NOT a characteristic of the normal probability distribution? A) Positively-skewed B) Bell-shaped C) Symmetrical D) Mean Mode and median are all equal 23. A...
Identify which of the following is not a property of the standard normal curve. Choose the correct answer below. O A. The mean, median, and mode are all equal to zero. O B. It has inflection points at u 1 20. OC. It is symmetric about its mean of zero, and has standard deviation equal to 1. OD. As the value of z increases, the graph approaches, but never equals, zero.
(10) 12. Which of the following characteristics are true for a normal probability distribution? (CIRCLE ALL THAT ARE TRUE) A) The area under the curve is 1. B) It is symmetrical. C) The midpoint is also the mean. D) The total sample space for the normal distribution is all positive integers E) 95% of the area under the Normal PDF curve is within One Standard Deviation from the Mean.
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