Free Probability rules Practice Problems • Learn To Be

Marco tracks the distribution of admissions tickets by age group at his local museum. Using data collected over the past month, he constructs a probability distribution for the age of a randomly selected ticket holder.

Which of the following could be the probability distribution?

Choose 1 answer:

A
Children $0$ - $6$ Youths $7$ - $17$ Adults $18$ - $64$ Seniors $65$ +
$0.5$ $0.4$ $0.2$ $0.1$
B
Children $0$ - $6$ Youths $7$ - $17$ Adults $18$ - $64$ Seniors $65$ +
$0.2$ $0.2$ $0.2$ $0.2$
C
Children $0$ - $6$ Youths $7$ - $17$ Adults $18$ - $64$ Seniors $65$ +
$0.25$ $0.35$ $0.3$ $0.1$
D
Children $0$ - $6$ Youths $7$ - $17$ Adults $18$ - $64$ Seniors $65$ +
$25$ $60$ $45$ $20$
E
Children $0$ - $6$ Youths $7$ - $17$ Adults $18$ - $64$ Seniors $65$ +
$-0.3$ $0.8$ $0.4$ $0.1$

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