Probability Day 3

Out of those surveyed, what is the probability that the student is a boy who can't bike to school (in simplest form)?

Of the mechanical engineers, what is the probability that math is their favorite subject? You can use the calculator on the computer to determine this percentage.

A survey of 15-18 year olds asked if they used Twitter, or not. The results are shown in the given table. What is the probability that a person chosen at random is female who does not use Twitter?

A class survey asks students of their theatre preferences of comedy or mystery. The results are shown in the given table. Based on this survey, what is the probability of a male from this school choosing mystery?

Freshman girls and boys were surveyed to choose their favourite subject from the list of Math, English or Science. The results are shown in the two-way relative frequency table. If a student is chosen at random from this group, what is the probability that the student is a girl who chose math?

What is the probability of rolling an even number on the first roll of a die and rolling an odd number on the second roll?

Are these events independent or dependent?

Is the event INDEPENDENT or DEPENDENT?

Amy plays card games. She picks a card at random. Then without putting the first card back, she picks a second card at random.

What is the probability of picking a blue marble, putting it back in the bag, then picking a red marble? (leave answer in fraction form in lowest terms)

What is the probability of picking a green marble, keeping it, then picking another green marble? (leave answer in fraction form in lowest terms)

What is the probability of flipping a coin twice and landing on tails both times? (leave answer in fraction form in lowest terms)