Cecylia
This page lists questions and answers that were posted by visitors named Cecylia.
Questions
The following questions were asked by visitors named Cecylia.
Two coins are taken at random (without replacement) from a bag containing 7 nickels, 5 dimes, and 6 quarters. Let X denote the random variable given by the total value of the two coins. Find E(X). (Round your answer to four decimal places.)
15 years ago
A lottery has a grand prize of $180,000, two runner-up prizes of $22,500 each, eleven third-place prizes of $3600 each, and fourteen consolation prizes of $450 each. If 720,000 tickets are sold for $1 each and the probability of any one ticket winning is...
15 years ago
Answers
The following answers were posted by visitors named Cecylia.