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## Statistics

Find the probability for the given problems.

The following two problems (i.e., problems 1-2) refer to the following information:

The random variable X, representing the number of accidents in a certain intersection in a week, has the following probability distribution

 x 0 1 2 3 4 5 P(X=x) 0.2 0.3 0.2 0.15 0.1 0.05

1.  What is the likelihood that in a given week there will be at most 3 accidents?

a) 0.70

b) 0.85

c) 0.35

d) 0.15

e) 1.00

2. By the third day of a particular week, 2 accidents have by now occurred in the intersection. What is the likelihood that there will be less than a total of 4 accidents during that week?

a)1.00

b)0.90

c)0.85

d)0.70

e)0.50

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M923272

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