SOLUTION: The number of tickets purchased by an individual for Beckham College’s holiday music festival is a uniformly distributed random variable ranging from 3 to 8. Find the mean an

Question 1196790: The number of tickets purchased by an individual for Beckham College’s holiday music festival is a uniformly distributed random variable ranging from 3 to 8.

Find the mean and standard deviation of this random variable. (Round your answers to 2 decimal places.)

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!


Hi

number of tickets purchased by an individual 
is a uniformly distributed random variable ranging from 3 to 8.
 
"uniform distribution" means all possible outcomes in the range 3,4,5,6,7,8
 have equal probability
μ = (3+8)/2 = 11/2  0r 5.5  
Entering the range of numbers into an online standard deviation calculator:
https://www.hackmath.net/en/calculator/standard-deviation...  one example 
σ  = 1.71 (rounded to 2 decimal places)

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