Legitimate finite probability model

Reference no: EM131031351

Problem: Weighty behavior. Choose an adult in the United States at random and ask, "How many days per week do you lift weights?" Call the response X for short. Based on a large sample survey, here is a probability model for the answer you will get:

Days	0	1	2	3	4	5	6	7
Probability	0.73	0.06	0.06	0.06	0.04	0.02	0.01	0.02

Required:

(i) Verify that this is a legitimate finite probability model.

(ii) Describe the event X

(iii) Express the event "lifted weights at least once" in terms of X. What is the probability of this event?

Reference no: EM131031351

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