Archive for Probability

Probability Prompt: Roll 2 Dice

If you roll 2 dice, what is the probability that the sum will be 5? Explain your reasoning.

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Probability Prompt: Positive Cards

Directions
1. You and your tablemates have 5 minutes to respond to the prompt.
2. Check for spelling, please.
3. When responding to a prompt, use first names only and include the period.
4. If another group has made a comment, feel free to comment if you agree or disagree.
Note: You must include the email address of one person in your table group. Otherwise it will not accept your comment. Your address will not be published. No website address is required.

Positive Cards Prompt
You are playing the integer card game with a friend. Red cards represent negative numbers and blacks are positive numbers. Recall there are 52 cards in a deck. If you each flip over a card, what is the probability that both cards will be positive? Explain your reasoning.

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Probability Prompt: Psychic Powers

A reasonable probability is the only certainty. – E.W. Howe

Directions
1. You and your tablemates have 5 minutes to respond to the prompt.
2. Check for spelling, please.
3. When responding to a prompt, use first names only and include the period.
4. If another group has made a comment, feel free to comment if you agree or disagree.
Note: You must include the email address of one person in your table group. Otherwise it will not accept your comment. Your address will not be published. No website address is required.

Psychic Powers Prompt
To test for psychic powers, ESP, there is a scientifically recognized test that is used. A person mentally transmits a picture on a card to a person believed to have ESP.
Margaret believes she has extraordinary psychic powers and takes the test. She gets a 5 out of 5.

Does this prove that she is psychic? Explain. If not, what could you do to verify that she has “special powers?”


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