14111cwir11ws.6

14111cwir11ws.6 - and the marbles are replaced each time,...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
23. How many days will it take for a sum of $2,000 to earn $50 interest if it is deposited in an account earning simple interest at the rate of 8% per year? 24. Classify each of the random variables as finite discrete, infinite discrete, or continuous: (a) Let X represented the weight of a newborn kitten in ounces. (b) Cough drops are randomly selected with replacement from a bag containing 30 cherry, 20 menthol, and 35 lemon. Let Y represent the number of cough drops drawn until a cherry cough drop is selected. (c) Jane serves the volleyball 100 times. Let Z represent the number of times she serves an ace. 25. Two marbles are randomly selected from a bin containing 8 red and 5 green marbles. If this experiment is repeated 10 times
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: and the marbles are replaced each time, what is the probability of getting 2 red marbles at least 3 times? 26. Sarah is trying to arrange 5 identical blue candle sticks, 7 identical red candle sticks, and 3 identical green candle sticks on her shelf. How many distinguishable arrangements are possible? 27. Given the follwing matrices with the indicated dimensions, which of the following are valid matrix operations? A 2 4 ,B 3 1 ,C 4 3 ,D 3 2 (a) AC-6 D T (b) 5 D T B (c) 2 CB (d) A T-CD 6...
View Full Document

This note was uploaded on 03/04/2012 for the course MATH 141 taught by Professor Jillzarestky during the Fall '08 term at Texas A&M.

Ask a homework question - tutors are online