2. The normal curve is bell-shaped. a. False b. True c. Sometimes d. It depends 3. Which part t of the normal curve is extended indefinitely in both directions along the horizontal axis, approaching but never touching it? a. center b. tail c. top d. spread 4. Under the curve, the area to the left of the mean is_ a. 30% b. 47.72% c. 50% d. 68
2. The normal curve is bell-shaped. a. False b. True c. Sometimes d. It depends 3. Which part t of the normal curve is extended indefinitely in both directions along the horizontal axis, approaching but never touching it? a. center b. tail c. top d. spread 4. Under the curve, the area to the left of the mean is_ a. 30% b. 47.72% c. 50% d. 68
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![2. The normal curve is bell-shaped.
a. False
b. True
c. Sometimes
d. It depends
3. Which part of the normal curve is extended indefinitely in both directions along the horizontal axis,
approaching but never touching it?
a. center b. tail
c. top
d. spread
4. Under the curve, the area to the left of the mean is_
a. 30%
b. 47.72%
c. 50%
d. 68
5. Which of the following statements is CORRECT about the shape of the normal curve?
a. The shape of the normal curve is based on the given Mean and Standard Deviation of the
distribution.
b. The shape of the normal curve is based on the given Mean and Median of the distribution.
c. The shape of the normal curve is based on the given area and standard Deviation of the
distribution.
d.
All of the above
6. Which of the following statements is the characteristic of a normal probability distribution?
a. The three measures of central tendency such as mean, mode, and median are equal.
b. The three measures of central tendency such as mean, mode, and median are not equal
c. The two measures of central tendency such as mean and mode are equal while the median is
greater than zero
d. The two measures of central tendency such as mean and mode are equal while the median is
less than zero.
7. Suppose that distribution of data about the number of deaths of COVID 19 positive has a mean of 45
and a standard deviation of 18. How many standard deviations away from the mean is a value of 81?
a.
It is one standard deviation above the mean
b.
It is two standard deviations above the mean
c. It is one standard deviation below the mean
d. It is two standard deviations below the mean](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc982ebbf-b7ea-43f9-84dd-5205d4217b9f%2F99af7eca-1062-446c-8260-54872014783e%2F54t7gc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. The normal curve is bell-shaped.
a. False
b. True
c. Sometimes
d. It depends
3. Which part of the normal curve is extended indefinitely in both directions along the horizontal axis,
approaching but never touching it?
a. center b. tail
c. top
d. spread
4. Under the curve, the area to the left of the mean is_
a. 30%
b. 47.72%
c. 50%
d. 68
5. Which of the following statements is CORRECT about the shape of the normal curve?
a. The shape of the normal curve is based on the given Mean and Standard Deviation of the
distribution.
b. The shape of the normal curve is based on the given Mean and Median of the distribution.
c. The shape of the normal curve is based on the given area and standard Deviation of the
distribution.
d.
All of the above
6. Which of the following statements is the characteristic of a normal probability distribution?
a. The three measures of central tendency such as mean, mode, and median are equal.
b. The three measures of central tendency such as mean, mode, and median are not equal
c. The two measures of central tendency such as mean and mode are equal while the median is
greater than zero
d. The two measures of central tendency such as mean and mode are equal while the median is
less than zero.
7. Suppose that distribution of data about the number of deaths of COVID 19 positive has a mean of 45
and a standard deviation of 18. How many standard deviations away from the mean is a value of 81?
a.
It is one standard deviation above the mean
b.
It is two standard deviations above the mean
c. It is one standard deviation below the mean
d. It is two standard deviations below the mean
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