Part C ONLY please 34. Ten dimes, 30 Eisenhower dollars, 20 Anthony dollars, and 20 nickels are tossed. Ms. Dean gets to keep those that fall heads. Let X be the number of coins Ms. Dean gets and Y be their value in cents. Find: а. Е(X). b. E(Y). C. Var(X). d. Var(Y). e. Е(Х + Y). f. Var(X+ Y).

Part C ONLY please 34. Ten dimes, 30 Eisenhower dollars, 20 Anthony dollars, and 20 nickels are tossed. Ms. Dean gets to keep those that fall heads. Let X be the number of coins Ms. Dean gets and Y be their value in cents. Find: а. Е(X). b. E(Y). C. Var(X). d. Var(Y). e. Е(Х + Y). f. Var(X+ Y).

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter9: Counting And Probability

Section9.1: Counting

Problem 3E: The number of ways of choosing r objects from n objects is called the number of ___________ of n...

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Question

Part C ONLY please
34. Ten dimes, 30 Eisenhower dollars, 20 Anthony dollars, and 20
nickels are tossed. Ms. Dean gets to keep those that fall heads.
Let X be the number of coins Ms. Dean gets and Y be their value
in cents. Find:
а. Е(X).
b. E(Y).
C. Var(X).
d. Var(Y).
e. E(X+ Y).
f. Var(X+ Y).

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