C. Underestimate the chances of arriving on time. Probability is a measure of the likelihood of an event occurring. It is usually expressed as a decimal or fraction between 0 and 1, with 0 indicating that the event will not occur and 1 indicating that the event will definitely occur.
To determine the probability that your employee will arrive at Phoenix on time, you need to multiply the probabilities of the two flights being on time. Probability can be used to make predictions about the outcome of an event or to understand the likelihood of different outcomes occurring.
The probability that the flights will both be on time is:
70% x 80% = 56%.
This is less than the probability of either flight being on time individually, so your employee would tend to underestimate the chances of arriving on time.
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