Question 3 When conducting research on color blindness in​ males, a researcher forms random groups with five males in each group. The random variable x is the number of males in the group who have a...


Question 3


When conducting research on color blindness in​ males, a researcher forms random groups with five males in each group. The random variable x is the number of males in the group who have a form of color blindness. Determine whether a probability distribution is given. If a probability distribution is​ given, find its mean and standard deviation. If a probability distribution is not​ given, identify the requirements that are not satisfied.


1. Does the table show a probability​ distribution? Select all that apply.




A  Yes, the table shows a probability distribution.


This is the correct answer.




B.
No, the random variable​ x's number values are not associated with probabilities.





C.
No, the random variable x is categorical instead of numerical.





D.
​No, the sum of all the probabilities is not equal to 1.





E.
No, not every probability is between 0 and 1 inclusive.



2. Find the mean of the random variable x, or does table does not show a probability distribution?



3. Find the standard deviation of the random variable x, or does table does not show a probability distribution?




X<br>P(x)<br>0.653<br>0.291<br>0.052<br>0.003<br>0.001<br>0.000<br>2345<br>

Extracted text: X P(x) 0.653 0.291 0.052 0.003 0.001 0.000 2345

Jun 01, 2022
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