What percent of closing stock prices are between 180 and 220 dollars?

The closing stock price of Ahmadi, Inc. is normally distributed with a mean of 200 dollars and a standard deviation of 25 dollars.
In the provided blank, insert the letter that corresponds with the correct answer. For example, if the correct answer is “a. 2.5”, insert “a” as the correct answer.
I. The probability of a closing stock price greater than 241.25 dollars is
a. 0.4505b. 0.0495c. 0.9505d. 0.9010
II. The probability of a closing stock price less than 250 dollars is
a. 0.4772b. 0.9772c. 0.0528d. 0.5000
III. What percent of closing stock prices are between 180 and 220 dollars?
a. 28.81%b. 0.5762%c. 0.281%d. 57.62%
IVWhat percent of closing stock prices are between 180 and 220 dollars?
a. 196b. 151c. 249d. 190

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