Probability Basics Assessment

Front

What is the best interpretation of the word "probability" in the previous question? Options: If I were to pick 10 marbles out of the bag, 3 would be blue., There is a 30% chance of getting a blue marble., If I were to pick a marble out of the bag until I get a blue one, I would expect to pick 3 marbles to get a blue. , If I were to pick a marble out of this bag many, many, many times (replacing it back each time), about 30% would be blue.

Back

If I were to pick a marble out of this bag many, many, many times (replacing it back each time), about 30% would be blue.

Front

If I were to pick a marble, replace it back into the bag, and pick another marble, what is the probability of choosing a blue and then another blue marble?

Back

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\left(\frac{6}{20}\right)^{2}
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Front

If I were to pick a marble, keep it out of the bag, and pick another marble, what is the probability that the second marble is red? (Hint: draw a tree diagram)

Back

Front

If I were to pick a marble, keep it out of the bag, and pick another marble, what is the probability of choosing a blue and then another blue marble?

Back

Front

If I were to pick a marble, keep it out of the bag, and pick another marble, what is the probability of choosing a blue and then a red marble?

Back

Front

Due to the COVID-19 pandemic, the NCAA "March Madness" basketball tournament was cancelled. If it was played, who would have won?

Back

Duke

Front

A student is randomly selected from the 60 students described in this table. What is the probability that the student has Brown Hair and Brown Eyes?

Back

Front

A student is randomly selected from the 60 students described in this table. Given that they have Brown Hair, what is the probability that the student has Brown Eyes?

Back

Front

Are the events "Brown Hair" and "Brown Eyes" independent?

Back

Front

50 students are randomly sampled from each of two elementary schools in a low-income area. Which school had more students with Internet access at home?

Back

School B, because 41 > 35