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18. Z~N(0, 1). Find P(Z $ 2.18). A) 0.9857 B) 0.9854 C) 0.0146 D) 0.0143 19. The time to complete the construction of a soapbox derby car is normally distributed with a mean of three hours and a standard deviation of one hour. Find the probability that it would take more than four hours to construct a soapbox derby car. A)0 B) 0.8079 C) 0.1587 D) 0.2442 Show your work for full credit