QuickHelper

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About QuickHelper

Levels Tought:
Elementary,High School,College,University,PHD

Expertise:
Accounting,Applied Sciences See all
Accounting,Applied Sciences,Business & Finance,Chemistry,Engineering,Health & Medical Hide all
Teaching Since: May 2017
Last Sign in: 352 Weeks Ago, 4 Days Ago
Questions Answered: 20103
Tutorials Posted: 20155

Education

  • MBA, PHD
    Phoniex
    Jul-2007 - Jun-2012

Experience

  • Corportae Manager
    ChevronTexaco Corporation
    Feb-2009 - Nov-2016

Category > Engineering Posted 18 Aug 2017 My Price 11.00

Test Counting and Probability,

Instructions inside

Name:

Date:


SHOW ALL THE WORK and STEPS

DO NOT OMIT ANY CALCULUS PLEASE

4 QUESTIONS

Counting and Probability

1.     A container holds 15 pennies, 8 nickels, and 10 dimes. You will randomly select two coins without replacement.

(a)   Fill in the probabilities on each branch of the tree diagram.

 

(b)   Use the tree diagram to answer the following:

How many ways can you select the coins?

How many ways can you select exactly 1 nickel?

What is the probability that you select 2 pennies?

What is the probability that you select a dime and then a penny?

Answer:

 

 

 


 

 

2.     The numbers 1 through 50 are written with red marker on slips of paper while the numbers 51 through 100 are written with blue marker on slips of paper. All the papers are put into a bag and shuffled. One card is randomly selected.

(a)   Find the probability of selecting a number less than 10 or a number written in blue. Show your work.

(b)   Find the probability of selecting a number written in red or a multiple of 20. Show your work.

Answer:


 

 

3.     There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections. Show your work.

Answer:


 

4.     Use the binomial theorem to expand . Show all your work.

 

Answer:

Answers

QuickHelper
(10)
Status NEW Posted 18 Aug 2017 04:08 PM My Price 11.00

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