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All work must be shown here on formative for each problem to receive credit for this exam. You should not just type expressions into the calculator, you should show work and work them out by hand. Solutions without work will not receive credit.

Ɛhia

1

Corey and Yin are trying to decide who will get to choose where they go for lunch. They decide to flip a coin. If it shows heads, then Corey chooses and if it shows tails, Yin chooses.
Is this a fair way to decide who chooses where they go lunch? Why or why not?

No, Yin is most likely to get to choose.

No,Corey is most likely to get to choose.

Yes, they both have an equal probability of choosing.

Ɛhia

1

A grab bag contains 13 football cards and 9 basketball cards. An experiment consists of taking one card out of the bag, then selecting another card. What is the probability of selecting a football card, replacing it, and then selecting a basketball card?

The events above are independent or dependent events ?

P(football card)=

P(basketball card)=

P(football and then basketball)=

Ɛhia

1

A bag contains hair ribbons for a spirit rally. Each team member will pick a ribbon to wear for the rally. The bag contains 9 black ribbons and 12 green ribbons. Lila selects a ribbon at random, then Jessica selects a ribbon at random from the remaining ribbons. Find the probability that both events A and B occur.

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The events above are independent or dependent events ?

P(Lila selects a black ribbon)=

P(Jessica selects a green ribbon after choosing a black ribbon)=

P(Lila selects a black ribbon and Jessica selects a green ribbon)=

Ɛhia

1

The table shows the distribution of male and female students and left- and right-handed students in the math club.

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Find the probability that selected at random is left-handed, given that they are male.

Write your answer as a fraction in simplest form?

Find the probability that selected at random is right-handed, given that they are female. Write your answer as a fraction in simplest form?

Ɛhia

1

The table shows the enrollment for April’s classes at a community art center. One of the participants was chosen at random to receive a free class.

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Are the events mutually exclusive or not mutually exclusive?

What is the probability that the winner was a teen or in the pottery class?

Ɛhia

1

Identify the following events as independent or dependent events.

A die (dice) is rolled and then heads is flipped on a coin.

There are 2 bottles of fruit juice and 4 bottles of soda pop in a fridge. Joan chose a bottle for herself and then one for her friend to drink.

Ɛhia

1

Ricardo has the spinner pictured here and a bag of marbles filled with 2 red marbles, 3 green marbles, and 3 blue marbles.

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This is an example of independent or dependent events?

What is the probability that Ricardo spins red on the spinner and picks a red marble out of the bag?

What is the probability of rolling a dice and landing on a 4, and then rolling the dice again and landing on any even number?

No, Yin is most likely to get to choose.

No,Corey is most likely to get to choose.

Yes, they both have an equal probability of choosing.

EMHS_26S_IM2_Quiz_Probability

EMHS_26S_IM2_Quiz_Probability

Corey and Yin are trying to decide who will get to choose where they go for lunch. They decide to flip a coin. If it shows heads, then Corey chooses and if it shows tails, Yin chooses.
Is this a fair way to decide who chooses where they go lunch? Why or why not?

EMHS_26S_IM2_Quiz_Probability

EMHS_26S_IM2_Quiz_Probability

Corey and Yin are trying to decide who will get to choose where they go for lunch. They decide to flip a coin. If it shows heads, then Corey chooses and if it shows tails, Yin chooses. Is this a fair way to decide who chooses where they go lunch? Why or why not?

Corey and Yin are trying to decide who will get to choose where they go for lunch. They decide to flip a coin. If it shows heads, then Corey chooses and if it shows tails, Yin chooses.
Is this a fair way to decide who chooses where they go lunch? Why or why not?