Suppose that the annual rate of return for a common biotechnology stock is normally distributed with a mean of 4.5% and a standard deviation of 5%. Find the probability that the one-year return of...

Extracted text: Suppose that the annual rate of return for a common biotechnology stock is normally distributed with a mean of 4.5% and a standard deviation of 5%. Find the probability that the one-year return of this stock will be positive. Round your answer to at least four decimal places.