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Probability and Stats

15 Mar

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. 0.4505
b. 0.0495
c. 0.9505
d. 0.9010

II. The probability of a closing stock price less than 250 dollars is

a. 0.4772
b. 0.9772
c. 0.0528
d. 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%

IV. What is the minimum closing stock price of the middle 95% of the closing prices?

a. 196
b. 151
c. 249
d. 190

 
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Posted by on March 15, 2018 in academic writing

 

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