Probability Word Problems

                    Lesson 1

 

                                    Problem:   What is probability of getting number 3 when number cube numbered from 1 to 6 is rolled?

                                   Solution     Probability of getting number 3

                                   Step 1:        

                           

                                    Solution     Number of cases favoring the event

                                    Step 2:         Total number of possible outcomes                                            

                            

                                    Solution        1/6

                                    Step 3:                   

 

                                    Solution      Answer =  1 /6

                                    Step 4:  

 

 

                                    Try two practice problems:  

 

                                            What is the probability:

(A)         Probability of getting head in flip of a heads/tails coin.

 

(B)         Two coins are tossed once, what is the probability of getting at least one tail?

                               

 

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