Question

.A dice is rolled number of times and its outcomes are recorded as below: Outcome : 1 2 3 4 5 6 Frequency : 35 45 50 38 53 29 Find the probability of getting an odd number

81/125
71/125
69/125
68/125​

Answer 1

Step-by-step explanation:

total no. of outcome:250

total no. of outcomes of getting odd no.: 35+50+53=138

p(getting an odd no.)=138/250=69/125

Answer 2

Given,

When a dice is rolled;

Frequency of occurrence of 1 = 35

Frequency of occurrence of 2 = 45

Frequency of occurrence of 3 = 50

Frequency of occurrence of 4 = 38

Frequency of occurrence of 5 = 53

Frequency of occurrence of 6 = 29

To find,

The probability of getting an odd number.

Solution,

We can simply solve this mathematical problem using the following process:

Mathematically,

The probability of occurrence of a favorable event = P (favorable event)

= (Total number of occurrence of the favorable event) / (Total number of occurrence of all possible events)

= (Total number of occurrence of the favorable event) / (Total number of trials)

As per the given question;

The favorable event is the occurrence of an odd number, that is 1, 3 and 5.

And, the total number of trials = 250

Now,

The probability of getting an odd number

= P(getting an odd number)

= {(frequency of occurrence of 1) + (frequency of occurrence of 3) + (frequency of occurrence of 5)} / (total number of trials)

= { 35 + 50 + 53 } / 250

= 138/250

=> P(getting an odd number) = 0.552

Hence, the probability of getting an odd number is equal to 0.552.