Learning is a lifetime activity. For some, it means learning from everyday exper

Question

Learning is a lifetime activity. For some, it means learning from everyday experiences; for others, it means taking classes in a more traditional atmosphere. The percentage of people participating in organized learning situations during 2002 for each age group is reported here by NIACE. Age group 17-19 20-24 25-35 35-44 45-54 55-64 65-74 5+ All Percentage 178 72 51 49 44 30 20 10:42 Source: NIACE Adult Participation in Leaming Surveys Is this a probability distribution? Explain why or why not. The customers at a local appliance store are polled as they leave the

Explanation / Answer

No it is not a probability distribution.

this is what the table looks like

For a probability distribution the sum of all P(x) should be 1 or 100%

Here it is 354%, hence it is not a probability distribution.

Age group Percentage 17-19 78% 20-24 72% 25-35 51% 35-44 49% 45-54 44% 55-64 30% 65-74 20% 75+ 10% 354%

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