2 Way Tables - Probability

What percentage of girls have blonde hair?

• 30%
• 32%
• 29%
• 40%

A survey explored the relationship between gender and band class. Which is a reasonable conclusion?

• There are more band members than non-band members
• There are more boys in the class than girls
• There are more boys in band than not in band
• More than half of the bands members in the class are girls

• .2855
• .6246
• .0922
• .3230

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

• .5
• .45
• .55

• .2855
• .6246
• .0922
• .3230

What is the probability of choosing a Honda? 

• .5970
• .5373
• .4627
• .4030

What is the probability that a student does play a sport given they do not play an instrument? 

• .2
• .2222
• .10
• .5

What is the probability that the person picked will be a boy given they speak german? 

• .7273
• .4
• .16
• .22

What is the probability that a female is chose given they like a Toyota? 

• .525
• .4627
• .6774
• .3143

If I calculate the probability 3/10 as the answer to a question, what was the question?

• P(plays instruments given does not play sports)
• P(plays instruments)
• P(does not play sports given plays instruments)
• P(does not play sports AND plays instruments)