Find the Following Probabilities $\leq$ 7)
B P(X $\geq$ 8)
C P(X = 9)

Short Answer

Find the following probabilities.
a. P(X $\leq$ 7).
b. P(X $\geq$ 8).
c. P(X = 9). $$\text { Hint: } P ( a \leq x \leq b ) = \int _ { a } ^ { b } f ( x ) d x$$