Kaesy24
25.02.2020 •
Mathematics
Verify that the following function is a probability mass function, and determine the requested probabilities. f left-parenthesis x right-parenthesis equals left-parenthesis 27divided by 13right-parenthesis left-parenthesis 1 divided by 3right-parenthesis Superscript x ,
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Ответ:
1)
2)
We can find the individual probabilities and we got:
And the sum of the 3 values 0.6923+0.2307+0.0770= 1 so then we satisfy all the conditions and we can conclude that f(x) is a probability distribution.
Step-by-step explanation:
For this case we have the following density function:
In order to satisfty that this function is a probability mass function we need to check two conditions:
1)
2)
We can find the individual probabilities and we got:
And the sum of the 3 values 0.6923+0.2307+0.0770= 1 so then we satisfy all the conditions and we can conclude that f(x) is a probability distribution.
And if we want to find the following probabilities:
Ответ:
25/4
Step-by-step explanation:
3/8+6/8+12/8+13/8+16/8