Tree Diagrams - Midterm Exam Review

The probability that Alondra successfully passes a math exam depends on the math topic.

The probability that the topic is statistics is 0.35 and the probability she passes this topic is only 0.3. The probability that Alondra passes any other topic during the exam is 0.8.

Find the probability the topic is Statistics and Alondra passes the math exam.

The probability that Alondra successfully passes a math exam depends on the math topic.

The probability that the topic is statistics is 0.35 and the probability she passes this topic is only 0.3. The probability that Alondra passes any other topic during the exam is 0.8.

Find the probability the topic is NOT Statistics but Alondra doesn't pass the math exam.

The probability that Alondra successfully passes a math exam depends on the math topic.

The probability that the topic is statistics is 0.35 and the probability she passes this topic is only 0.3. The probability that Alondra passes any other topic during the exam is 0.8.

Find the probability the topic is Statistics or Alondra passes the math exam.

The probability that Alondra successfully passes a math exam depends on the math topic.

The probability that the topic is statistics is 0.35 and the probability she passes this topic is only 0.3. The probability that Alondra passes any other topic during the exam is 0.8.

The topic of the exam is NOT statistics. What is the probability Alondra does not pass the exam?

The probability that Alondra successfully passes a math exam depends on the math topic.

The probability that the topic is statistics is 0.35 and the probability she passes this topic is only 0.3. The probability that Alondra passes any other topic during the exam is 0.8.

Alondra passed the exam. What is the probability the topic was Statistics?

A Lego storage box is left with 4 blue and 7 red bricks.

Yonel takes a brick from the box at random and attaches it to his new castle. He then chooses another brick from the same box at random.

What is the probability that the first and second bricks are both red?

A Lego storage box is left with 4 blue and 7 red bricks.

Yonel takes a brick from the box at random and attaches it to his new castle. He then chooses another brick from the same box at random.

What is the probability that the 1st brick is blue and the 2nd brick is red?

A Lego storage box is left with 4 blue and 7 red bricks.

Yonel takes a brick from the box at random and attaches it to his new castle. He then chooses another brick from the same box at random.

What is the probability that the 1st or 2nd brick is blue?

A Lego storage box is left with 4 blue and 7 red bricks.

Yonel takes a brick from the box at random and attaches it to his new castle. He then chooses another brick from the same box at random.

The first brick is red. What is the probability the second brick is blue?

A Lego storage box is left with 4 blue and 7 red bricks.

Yonel takes a brick from the box at random and attaches it to his new castle. He then chooses another brick from the same box at random.

The second brick is red. What is the probability the first brick was blue?

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