Chang the DGC in the picture to the New DGC is : (415) Data generating code (DGO

Question

Chang the DGC in the picture to the New DGC is : (415)

Data generating code (DGO): It consists of first non-zero digit and the last two digits of your K- ID. Please write down your DGC here: Note: Keep accuracy up to at least four decimal places. (One question with minimum score will be dropped) Question 1. (ONLINE DEGREE MAY BE FUN) Amy sits in an online examination for a statistics course. In the examination, there are 15 questions and each question has four choices. Amy prepared very well, so the chance, p, of picking a correct choice for a question is equal to DGC+500 DGC times the chance, q, of picking a wrong choice for the same question. What is the probability she will attempt exactly ten questions correctly? Hint. Apply binomial distribution. myOncomputeri

Explanation / Answer

n = 15

DGC = 415

p = q * 415/915 = 0.454 * q

Also, p + q = 1

Thus, q + 0.454 * q = 1

q = 0.688

Thus, p = 1 - 0.688 = 0.312

Now, P(X = 10) = 15C10 * 0.312^10 * 0.688^5

P = 0.004

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