4.51 Find the probabilities. Let the random variable X be a random number with the uniform density curve in Figure 4.9 (page 229). Find the following probabilities:

a. P(X≥0.40) .

b. P(X=0.40) .

c. P(0.40

d. P(0.22≤X≤0.25 or 0.42≤X≤0.45)

.

e. X is not in the interval 0.5 to 0.8.