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? asked in Science & MathematicsMathematics · 5 years ago

Statistics probability help super please!?

A box contains 5 defective and five good transistor. If 6 transistors are drawn with replacement in succession find the probability of drawing at most one defective one using probability distribution table.

It says the answer is 0.110, but how did they get this answer and is it possible to solve this on a TI-84 and how?

3 Answers

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  • Sqdancefan
    Lv 7
    5 years ago

    Yes.

    binomcdf(6,.5,1) = .109375

    ___

    There are 6 trials. The probability of one defective transistor is 5/10, and you want to find the probability of at most 1 being defective.

  • alex
    Lv 7
    5 years ago

    X~Bi(6 , 1/2)

    Pr(X=0)+Pr(X=1) = ...calculator

  • Steve A
    Lv 7
    5 years ago

    What idiot would do this with replacement?

    When you find a bad one, do you put it back in the box?

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