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Posted by on Wednesday, October 10, 2012 at 12:49am.

A 50-question true-false exam is given. Each correct answer is worth 10 points. Consider an unprepared student who randomly guesses on each question. In your solution, please be sure to show the exact steps you used to arrive at the answers.

A. If 5 points are deducted for each incorrect answer, what is the chance that the student will score at least 200 points?
B. If 10 points are deducted for each wrong answer, what is the chance that the student will get a negative score on the exam?

  • Statistics - , Thursday, October 11, 2012 at 2:21am

    im in your stats class

  • Statistics - , Thursday, October 11, 2012 at 2:37am

    LOL.

  • Statistics - , Tuesday, April 23, 2013 at 1:33pm

    The closing price of Schnur Sporting Goods, Inc., common stock is uniformly distributed between $15 and 30 per share.


    What is the probability that the stock price will be:

    (a) More than $24? (Round your answer to 4 decimal places.)

    Probability

    (b) Less than or equal to $17? (Round your answer to 4 decimal places.)

    Probability

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