Multiple-choice questions: Which of the following is not true for discrete probability distributions? The sum of the probabilities must be equal. The graph of the distribution exhibits symmetry. Each probability in the distribution must be greater than or equal to 0. All of these are true statements.
Which of the tables does not constitute a legitimate discrete probability distribution?
P(x)
P(x)
12 only (B) ML only (C) and MI (D) L I, and MII
Which of the following is not true about the binomial distribution B(10,0.1)? There are 10 identical trials. The probability of getting success for each trial is 0. The probability of getting failure is not given. All of the statements are true.
If you guess the answers on a quiz with 10 multiple-choice questions (A-D), which of the following expressions will calculate the probability that you will get 60% or more correct? (A) C(10,6)(4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 (B) C(10,6)(4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 + (4)^6(4)^4 (C) C(10,6)(4)^6(4)^4 + C(10,7)(4)^7(4)^3 + C(10,8)(4)^8(4)^2 + C(10,9)(4)^9(4)^1 + C(10,10)(4)^10(4)^0 (D) C(10,6)(4)^6(4)^4 + C(10,7)(4)^7(4)^3 + C(10,8)(4)^8(4)^2 + C(10,9)(4)^9(4)^1 + C(10,10)(4)^10(4)^0
Which of the following is not a binomial distribution: Selecting 10 students from a statistics class and observing the gender. Rolling a dice 10 times and observing the number of odd outcomes. Drawing cards from a deck with replacement 50 times and observing the color. Tossing a coin 50 times and observing the number of heads.