Question

The probability that cannot exist among the following: (a)⅔ (b)-1.5 (c)15% (d)0.7.

Answer 1

Answer:

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Answer 2

B) -1.5 cannot exist as the probability of any event

Probability

• It is the measure of the possibility of the occurrence and non-occurrence of the events. The probability of happening of the event is given by:
• $\text{Probability of the Event (P)} = \frac{\text{Number of favorable outcomes}}{\text{Total Number of outcomes}}$
• Since the favorable outcomes cannot be more than the total number, the probability cannot be more than unity. Therefore, the numeric value of probability exists between 0 and 1.
• Also, it cannot be negative. But it can be expressed as a percentage.

-1.5 cannot exist as a probability value as it is greater than 1 and the value is negative, while probability, the possibility of happening an event, has the maximum value of 1, and it is always a positive number.