Apply arithmetic mean of frequency distribution to find the expected value of a random variable The expected value of discrete random variable as summation of product of discrete random variable by ...

because the electronic Kindle versions greatly mess up the math. Full solutions to all the exercises in the book are available to instructors who are teaching out of the book. Please contact me for ...

Early math skills lay the foundation for children’s long-term academic success. An increasing number of randomized controlled math interventions have been carried out across educational settings. The ...