Probability measure & Conditional probability

In the private School, 60% of the boys play cricket, and 24% of the boys play basketball and cricket. What percent of those that play baseketball also play cricket?

• 25%

• 36%

• 40%

• 84%

In Tamil Nadu, 48% of all children own a skateboard and 39% of all children own a skateboard and rollerblades. What is the probability that a teenager owns rollerblades given that the teenager owns a skateboard?

• 87%

• 81%

• 123%

• None of the above

In Chennai city, 70% of people depend on metro water, and 35% of people depend on metro water and bore well. What percent of those who depends metro water also depends on bore well?

• 35%

• 70%

• 50%

• 75%

What is the probability that a student does not play on a sports team?

• .5

• .45

• .55

The probability that a women likes the color blue is 10%. The probability of being a women is 40%. What is the probability that the a women is chose given they liked the color blue? 

• 4
• .4
• .1
• .25