The lowest of the other bids,10 a. 10 P ( X lt;10 )=∫ f ( x ) dx=∫8 8 X U [ 8, 20 ]10 f ( x )= 11= ,8 ≤ x ≤ 20 .20−8 12 10 10−81112 1dx= ∫ 1 dx=x|8 == =1212 8121212…Statistics and Probability