The probability of the random variables being less than 23 will be 0.6.
Probability is defined as the ratio of the number of favourable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.
Probability = Number of favourable outcomes / Number of sample
Given that a random variable has possible values of 20, 21, 22, 23, and 24 that are equally likely to occur.
Total sample = { 20, 21, 22, 23, 24 } = 5
Favourable outcome = { 20,21,22} = 3
The probability will be calculated as,
Probability = 3 / 5
Probability = 0.6
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