A private equity firm is evaluating two alternative investments. Although the returns are random, each investment's return can be described using a normal distribution. The first investment has a mean return of $$2,250,000$ with a standard deviation of $$175,000.$ The second investment has a mean return of $$2,525,000$ with a standard deviation of $$500,000.$ Complete parts a through c below.

a$.$ How likely is it that the first investment will return $$1,900,000$ or less?

The probability is

$($Round to four decimal places as needed.$)$