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    karly_brown1's Avatar
    karly_brown1 Posts: 3, Reputation: 1
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    #1

    Mar 19, 2018, 06:01 PM
    Find the following probabilities:
    Really need help with calculus homework, please!

    A random sample of 2500 students is taken from the population of all part-time students in the United States, for which the overall proportion of females is 0.49
    Find the following probabilities:

    1.) P( Z < 1.25) = a.) .1876 b.) .1056 c.) .997 d.) .1320

    2.) P( -3.99 < Z < 3.99) = a.) -.5 b.) .5 c.) 1 d.) 0

    3.) P( p^ > .56 ) =     a.) 1 b.) -1 c.) .001 d.) 0
    smoothy's Avatar
    smoothy Posts: 25,490, Reputation: 2853
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    #2

    Mar 20, 2018, 04:21 AM
    4.) a snowballs chance in hell.


    This is your homework, show us your work and what you think the answer is and why. Those are this sites rules.
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