Question

1. The sum of the probability that an event will occur and the probability that it will not occur is ____. (Points : 2)
different for each case
equal to P(E)
equal to P(E)-1
equal to 1

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2)The probability of any event P(E) is calculated by ____. (Points : 2)
determining the percentage of possible events
dividing the number of outcomes favorable to E by the total number of possible outcomes
using the probability table
cannot be determined without additional information