is used to compute for the mean of a probability distribut urve is a normal probability distribution that has a mean of one curve in normal distribution is determined by the mean pling distribution of the sample means is less than the popula of the mean is the standard deviation of the sampling distrib ility of the sample means becomes smaller as the sample siz ean, the degrees of freedom is equal to (n- 1) when usin s asymmetric about the mean.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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I. TRUE OR FALSE. Choose A if the statement is always true, otherwise choose B.
1. The sum of the probabilities of all values of the random variable must be equal to 1.
2. The capacity of water dams in a region is an example of continuous random variable.
3. The formula u = is used to compute for the mean of a probability distribution.
IxF(x)
4. A standard normal curve is a normal probability distribution that has a mean of one and
standard deviation of one
5. The width of the curve in normal distribution is determined by the mean of the
distribution.
6. The mean of the sampling distribution of the sample means is less than the population
mean.
7. The standard error of the mean is the standard deviation of the sampling distribution of
the sample means.
8. The sampling variability of the sample means becomes smaller as the sample size n gets
larger.
9. In estimating the mean, the degrees of freedom is equal to (n - 1) when using the t-
distribution.
10. The t-distribution is asymmetric about the mean.
II. MULTIPLE CHOICE. Read and analyze the questions then choose the letter that
corresponds to your answer.
11. If two coins are tossed, which is NOT a possible value of the random variable for
the number of tails?
A. 1
В. 2
C. 3
D. 4
12. If P(X) = what are the possible values of X for it to be a probability
distribution?
A. 1,1,2
В. 2,3,4
C. 1,2,3
D. 0,2,3
Transcribed Image Text:I. TRUE OR FALSE. Choose A if the statement is always true, otherwise choose B. 1. The sum of the probabilities of all values of the random variable must be equal to 1. 2. The capacity of water dams in a region is an example of continuous random variable. 3. The formula u = is used to compute for the mean of a probability distribution. IxF(x) 4. A standard normal curve is a normal probability distribution that has a mean of one and standard deviation of one 5. The width of the curve in normal distribution is determined by the mean of the distribution. 6. The mean of the sampling distribution of the sample means is less than the population mean. 7. The standard error of the mean is the standard deviation of the sampling distribution of the sample means. 8. The sampling variability of the sample means becomes smaller as the sample size n gets larger. 9. In estimating the mean, the degrees of freedom is equal to (n - 1) when using the t- distribution. 10. The t-distribution is asymmetric about the mean. II. MULTIPLE CHOICE. Read and analyze the questions then choose the letter that corresponds to your answer. 11. If two coins are tossed, which is NOT a possible value of the random variable for the number of tails? A. 1 В. 2 C. 3 D. 4 12. If P(X) = what are the possible values of X for it to be a probability distribution? A. 1,1,2 В. 2,3,4 C. 1,2,3 D. 0,2,3
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