Need asap A firm's marketing manager believes that the total sales for the firm next year can be modeled using a normal distribution, with a mean of P2.5 million and a standard deviation of P...

Need asap

A firm's marketing manager believes that the total sales for the firm next year can be modeled using a normal distribution, with a mean of P2.5 million and a standard deviation of P300 000. What is the probability that the firm's sales will exceed P3 million?