Connect BUSINESS STATISTICS Chapter 5 Homework Question 4 (of 100 4. 200 points

Question

Connect BUSINESS STATISTICS Chapter 5 Homework Question 4 (of 100 4. 200 points Exercise 5-12 (LO5-30 The events X and Y are mutually exclusive. Suppose Pp) .05 and PY .02. 1. What is the probability of either X or Yoccurring? ound your answer to 2 decimal places. Probability 2. What is the probability that neither X nor Y will happen? (Round your answer to 2 decimal places.) Probability References eBook & Resources Difficulty 2 Intermediate Worksheet Learning Objective 05-03 Calculate Exercise 5-12 (LO5-3) probabilities using the rules of addition

Explanation / Answer

5.12 1. If A and B are mutually exclusive P(XuY)=P(X)+P(Y)=0.05+0.02=0.07

2. P(neither A nor B)=1-0.07=0.93

5.2 There are three options for the first part and three options for the second part.
Therefore the number of permutations is

3*3 = 9

They are
accept accept
accept repair
accept scrap
repair accept
repair repair
repair scrap
scrap accept
scrap repair
scrap scrap

5.11 P(A or B)=0.30+0.20=0.50

P(neither A nor B)=1-0.50=0.50

5.19 If A and B are mutually exclusive P(AnB)=0

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