Probability As Decimal Worksheet
Lesson 1

Problem:  

What is probability of getting an ace if One card is picked up from a well shuffled pack of 52 cards?

 
Step 1:One card out of 52 cards can be selected in 52 different ways.
Step 2:Out of these 52 cases four cases will favor the event selectingan ace (Ace of Clubs, Ace of diamonds, Ace of Spades, and Ace of Hearts)

Step 3: Probability of selecting an Ace card

 

Number of cases favoring the event of selecting an ace

Total number of different ways in which we can select a card

Step 4: 4 / 52

Step 5:

1 / 13

Answer = 0.08

Try two practice problems:  

 

Find the probability of the following.

(A)        Picking a number less than 5 from 1-9.

(B)        Picking a number less than 7 from 1 15.

 

 

 

 

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