Concept explainers
a)
To check the conditions of
a)
Answer to Problem 43E
The distribution is legitimate.
Explanation of Solution
The conditions of probability distribution are:
1)The probabilities should be
2)Sum of all the probabilities should be 1.
For given distribution, all the probabilities are between 0 and 1.
Sum of the probabilities:
Hence, both conditions satisfied.
b)
To check the conditions of probability and tells whether the distribution is legitimate or not.
b)
Answer to Problem 43E
The distribution is not legitimate.
Explanation of Solution
The conditions of probability distribution are:
1)The probabilities should be
2)Sum of all the probabilities should be 1.
For given distribution, all the probabilities are between 0 and 1.
Sum of the probabilities:
Hence, second condition does not satisfy.
c)
To check the conditions of probability and tells whether the distribution is legitimate or not.
c)
Answer to Problem 43E
The distribution is legitimate.
Explanation of Solution
The conditions of probability distribution are:
1)The probabilities should be
2)Sum of all the probabilities should be 1.
For given distribution, all the probabilities are between 0 and 1.
Sum of the probabilities:
Hence, both conditions satisfied.
Chapter 5 Solutions
The Practice of Statistics for AP - 4th Edition
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