Assuming that the change in daily closing prices for stocks on ...

[Cooldude101]

Assuming that the change in daily closing prices for stocks on the New York Stock Exchange is a random variable that is normally distributed with a mean of 0.35 and a standard deviation of 0.33.
 
  Based on this information, what is the probability that a randomly selected stock will be lower by 0.40 or more?A) 2.27
  B) 0.4884
  C) 0.0116
  D) 0.9884

Question 2

What is the likelihood of finding a price between 3.71 and 3.85 for a gallon of gasoline from a normally distributed population of gas prices? Assume  = 3.78 and  = 0.05.
 
  A) 0.4974
  B) 0.9948
  C) 0.8385
  D) 0.2487

[Awesome]

Answer to Question 1

C

Answer to Question 2

C