Homework Statement
Roll a fair die n times. Let Sn denote the sum of squares of the rolls. Thus, Sn is the sum of Xi^2, where Xi represents one roll.
What are the mean and variance of sqrt(n) * (Sn/n - u), where u is the mean of Yn/n
Homework Equations
The Attempt at a Solution
No...
Homework Statement
The density of an object is found to be 976 g/L based on mass of 976 +/- 5g and volume of 1 +/- 0.01L.
Determine the error in the density using extreme values (upper limit of mass divided by lower limit of volume, etc)Homework Equations
I'm having difficulty determining how...
Homework Statement
Show that for 3 events A, B, C, the probability P of the intersection of A, B, and C is greater than or equal to P(A) + P(B) + P(C) - 2.
aka: P(A intersection B intersection C) > or = P(A) + P(B) + P(C) - 2
Homework Equations
N/R
The Attempt at a Solution
Use...