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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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