Name: Class Date IDI A Quiz3/ BA213 Multiple Choice Identiy the choice that best

Question

Name: Class Date IDI A Quiz3/ BA213 Multiple Choice Identiy the choice that best completes the statement or answers the question 1. Each individual outcome of an experiment is called the sample space a sample point an experiment a. d. an individual 2. The set of all possible sample points (experimental outcomes) is called a. a sample b. an event the sample space c. d. a population 3. An experiment has three steps with 4 outcomes possible for the first step, 5 outcomes possible for the second step, and 6 outcomes possible for the third step. How many experimental outcomes exist for the entire experiment? a. 24 b. 120 c. 729 d. 1,000 4. Of five letters (A, B, C, D, and E), two letters are to be selected at random. How many possible selections are there? a. 20 c. S! d. 10 5. An experiment with three outcomes has been repeated 100 times, and it was learned that E, occurred 70 times, E occurred 20 times, and E, occurred 10 times. What is the probabilities of E a. 0.2 b. 0.7 c. 0.1 d. 0.5 6. IfP(A)-0.62, P(B) = 0.47, and P(A u B)-0.88; then P(A n B) = a. 0.2914 b. 1.9700 c. 0,6700

Explanation / Answer

solution:-

1. option b. a sample point

2. option c. the sample space

3. option b.120
   Explanation:- 4*5*6 = 120

4. option a. 20
Explanation:- 5C2=5!/3!=20

5. option b. 0.7
Exxplanation : 70/100 = 0.7

6.  P(A U B) = P(A) + P(B) -- P(A n B)
Therefore P(A n B) = P(A) + P(B) -- P(A U B)
==> P(AnB) = 0.62+0.47-0.88 = 0.2100

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