] A product's demand over (L + 1) periods follows a normal distribution with mean of 150 and standard deviation of 20. The order-up-to level is 200. What is the in-stock probability? 0.9938 0.9772 0.8413 O 0.9332 3 pts

A product's demand over (L+1) periods follows a normal distribution with mean of 150 and standard deviation of 20 . The order-up-to level is 200 . What is the in-stock probability? 0.9938 0.9772 0.8413 0.9332