Question

an ordinary die is rolled. what is the probability that the number of dots on its upper face is 1. 3? 2. less than 3? 3. an even number ?4. 7?

Answer 1

Answer:

1. 1/6(actually you havent specified if the no. of dots are only 3 or 3 or more so the answer given is for 'only 3')

2. 2/6

3. 3/6 or 1/2

4. 0

Hope it helped!(please comment if you want any further explanation!)

Answer 2

1/6  ,  1/3  , 1/2 , 0

Step-by-step explanation:

an ordinary die  has numbers from 1  to 6

NUmber of dots on the face = number that face represent

Dots on face can be  1   , 2  , 3 ,  4  , 5  , 6

1.  Number of 3 Dots  

Probaility =   1/6

2. Number of Dots less than 3 = 1 or 2 Dots  

Probability = 2/6  = 1/3

3 . An even number  = 2 , 4 , 6

Probability = 3/6  = 1/2

4  7 Dots  not possible Hence

Probability = 0

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