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cima p1 Probability question

Forums › ACCA Forums › General ACCA Forums › cima p1 Probability question

  • This topic has 2 replies, 2 voices, and was last updated 10 years ago by daniel.
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  • March 20, 2015 at 1:11 am #233397
    daniel
    Participant
    • Topics: 9
    • Replies: 7
    • ☆

    I am struggling to solve this question, i hope you will help me out on it.its on probability.

    The returns from a project are normally distributed with a mean of $220 000 and a standard deviation of $160 000.If the project loses more than $80 000 the company will be in financial difficulties.
    What is the probability of the project losing more than $80 000?

    March 20, 2015 at 7:05 am #233404
    John Moffat
    Keymaster
    • Topics: 57
    • Replies: 54695
    • ☆☆☆☆☆

    To have a loss of 80,000 means that they are 300,000 away from the average profit of 220,000.
    300,000 is equivalent to 300,000/160,000 = 1.875 standard deviations.

    If you look up in the tables for 1.875 std deviations you will then have the probability.

    March 22, 2015 at 5:24 pm #233682
    daniel
    Participant
    • Topics: 9
    • Replies: 7
    • ☆

    thanks for the help.

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