1. The demand for a product is Normally distributed with mean 350 and standard deviation 30. What is the probability that demand is between 315 and 375, that is P(3152250)? Choose the best possible answer (just ONE answer). 0.9522 None of the above or below less than 0.5 0.0007 0.0478 1. QUESTION 5 The demand for a product is Normally distributed with mean 500 and standard deviation 35. What is the probability that demand is less than 470, that is P(X<470)? Choose the best possible answer. (just ONE answer). 0.8 less than 0.5 None of the above/below 0.1957 0.0079