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21 September, 23:32

In Texas, 30% of parolees from prison return to prison within 3 years. Suppose 15 prisoners are released from a Texas prison on parole. Assume that whether or not one prisoner returns to prison is independent of whether any of the others return to prison. Let the random variable X be the number of parolees out of 15 that return to prison within 3 years. What are the values of the parameters for the binomial random variable X

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  1. 21 September, 23:59
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    N = 15; P = 0.3

    Step-by-step explanation:

    According to the question, the data provided in the question is as follows

    The percentage of parolees from prison return to prison = 30%

    Number of years = 3 years

    Number of prisoners released from a Texas prision is 15

    Based on the above information, the value of the parameters for the binomial random variable X is

    N = 15 = number of prisoners

    And, the P = Percentage = 30% = 0.3
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