STA301 midterm Preparation Quiz Solved by Munir
Option 1:
Question: In which approach to probability the outcomes are equally likely to occur?
Option: Objective Probability
Answer: Objective Probability
Option 2:
Question: If A and B are sets and A∪ B= A ∩ B, then:
Option: A = Φ
Answer: A = Φ
Option 3:
Question: If A = {H, T} then which of the following is power set of A?
Option: {{H}, {T}, {H, T}}
Answer: {{H}, {T}, {H, T}}
Option 4:
Question: The probability of drawing ‘zero white’ ball from a bag containing 4 red, 8 black and 3 white balls is:
Option: 4/5
Answer: 4/5
Option 5:
Question: In how many different ways can the letters of the word 'CORPORATION' be arranged so that the vowels always come together?
Option: 5040
Answer: 5040
Option 6:
Question: If A, B and C are three events and only one event of them must occur then P(A) + P(B) + P(C):
Option: 1
Answer: 1
Option 7:
Question: The probability of drawing ‘zero white’ ball from a bag containing 4 red, 8 black and 3 white balls is:
Option: 4/5
Answer: 4/5
Option 8:
Question: If A = {10, 11} then which of the following is power set of A?
Option: {{10}, {11}, {10, 11}}
Answer: {{10}, {11}, {10, 11}}
Option 9:
Question: If P (B|A) = 0.25 and P (A and B) = 0.20, then P (A) is:
Option: 0.80
Answer: 0.80
Option 10:
Question: When two dice are rolled, what is the probability that the total is at least 12?
Option: 1/9
Answer: 1/9
