Interpreting Probability Notation

Select the correct notation for the probability of B or A.

• P( B Ι A )

• P( A Ι B )

• P( A U B )

Notation for Probability of A or not B?

• What is the probability that a randomly selected person attending the concert is both an adult and has purchased the ticket In advance?

• What is the probability that a randomly selected person attending the concert is an adult or has purchased the ticket In advance?

• What is the probability that a randomly selected person attending the concert is a child or has purchased the ticket on the day of the concert?

• What is the probability that a randomly selected person attending the concert is both a child and has purchased the ticket on the day of the concert?

The table shows when the tickets for a concert are sold and the types of tickets that are sold. 

What does P(row 1 | col 2) mean in context of the problem

• Of those that purchased tickets in advance, what is the probability they are an adult?

• Of the adults, what is the probability they purchased tickets in advance?

• Of those that purchased tickets on the day of the concert what is the probability of selecting a child?

• Of the children, what is the probability they purchased tickets on the day of the concert?

What does P(female | math) mean?

• What is the probability of picking a female who prefers math?

• What is the probability of picking someone that prefers math given the person is female?

• What is the probability of picking a female given the person prefers math?

• What is the probability of picking a female or someone that prefers math?

The table shows when the tickets for a concert are sold and the types of tickets that are sold. 

What does P(col 1 | row 1') mean in context of the problem

• Of those that purchased tickets on the day of the concert, what is the probability they are not an adult?

• Of the adults, what is the probability they did not purchase tickets on the day of the concert?

• Of those that did not purchase tickets on the day of the concert what is the probability of selecting an adult?

• Of those that were not adults, what is the probability they purchased tickets on the day of the concert?

• What is the probability of picking someone with a gym membership that plays sports?

• What is the probability of picking someone that plays sports given they have a gym membership?

• What is the probability of picking someone that has a gym membership given they play sports?

• What is the probability of picking someone with a gym membership or they play sports?

• What is the probability of picking someone that does not have both a gym membership and plays sports?

• What is the probability of not picking someone that plays sports given they have a gym membership?

• What is the probability of picking someone that does not has a gym membership and they do play sports?

• What is the probability of picking someone that does not have a gym membership or they do not play sports?

• What is the probability of picking a female who prefers math?

• What is the probability of picking someone that prefers math given the person is female?

• What is the probability of picking a female given the person prefers math?

• What is the probability of picking a female or someone that prefers math?

• What is the probability of picking a female or someone who does not prefer math?

• What is the probability of not picking a female or someone that prefers math?

• What is the probability of picking a female given the person does not prefer math?

• What is the probability of picking a female or someone that prefers math?