Refer to the probability function given in the table below for a random variable X that takes on the values 1, 2, 3, and 4

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Refer to the probability function given in the table below for a random variableXthat takes on the values 1, 2, 3, and 4 to find the indicated probability.

x 1 2 3 4

p(x) 0.45 0.25 0.15 0.15

Enter the exact answer.

P(X < 3)=