Determine whether each distribution is a probability distribution. If not, indicate why?… 1 answer below »

Determine whether each distribution is a probability distribution. If not, indicate why?… 1 answer below »

Determine whether each distribution is a probability distribution. If not, indicate why? 2. x 0 5 10 15 20 P(x) x 1 2 3 4 P(x)
___________________________ __________________________
3. 4. x 0 2 4 6 P(x) -1.0 1.5 0.3 0.2 x 2 3 7 P(x) 0.5 0.3 0.4
_______________________________ _________________________________
Use the following table to answer the questions below: Reason for Dropping a College Course Frequency Probability p(x) Too difficult 45 Illness 40 Change in work schedule 20 Change of major 14 Family-related problems 9 Money 7 Miscellaneous 6 No meaningful reason 3 Total
5. What is the variable
studied? ___________
6. Is it a random variable? (yes/no) _____
7. How many people were in the study? ____
8. Find the p(x) values.

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