Question 2 The probability of getting a multiple choice question wrong is 0.8. A weekly quiz has 10 multiple choice questions. Assume independence between the questions a) What is the probability of getting 5 questions correct? b) What is the probability of getting 5 questions wrong? c) What is the probability of getting at least 8 questions correct? d) What is the probability of getting more than 8 questions correct? e) What is the probability that you will get a zero in the quiz?

Q: Thank you for your help. I got the same answer for (b) and (c), but both were found to be wrong,…

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Q: Thanks for the help! I was also wondering how I would know that the answer would be meaningful?

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Q: Does the solution it address the three additional people drawing?

A: It is related to binomial probability : P(X=x) = nCx*px*qx    p= 12/52 = 0.23 q= 1-(12/52) = 0.77

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.