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September 3, 2015

Homework Help: statistics

Posted by virginia on Sunday, March 9, 2008 at 8:54pm.

I have an ordianry deck of 52 cards, which has 26 red and 26 black cards. A friend shuffles the deck and draws cards at random, replacing the card and reshuffling after each guess. I attempt to guess the color of each card.
A. what is the probability that I guess the color correctly by chance?
B. Is the answer in part a based on the relative-frequency interpretation of probability or is it a personal probability?
C. Suppose another friend has never tried the experiment but believes he has ESP and can guess correctly with probability .60. Is the value of .60 a relative-frequency probability or a personal probability. Explain
D. Suppose another friend guessed the color of 1000 cards and got 600 correct. The friend claims she has ESP and has a .60 probability of guessing correctly. Is the value of .60 a relative-frequency probability or a personal probability. Explain

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