A random variable is one whose value is unknown or a function that assigns values to each of an experiment’s outcomes. A random variable can be discrete or continuous.

Forecasting for any small business involves guesswork. You know your business and its past performance, but you may not be comfortable predicting the future. Using Excel is a great way to perform what ...

Exercise stimulates brain function thanks to its effect on muscles, study suggests Exercise gives the brain a boost, and may help protect against cognitive decline, but why?

A new study has found that during exercise, the vagus nerve, essential to the body’s ‘rest and digest’ response, has a more important role in heart function than we thought. The findings ...

This paper is concerned with the determination of tight lower and upper bounds on the expectation of a convex function of a random variable. The classic bounds are those of Jensen and ...

Luc Devroye, Gábor Lugosi, Local Tail Bounds for Functions of Independent Random Variables, The Annals of Probability, Vol. 36, No. 1 (Jan., 2008), pp. 143-159 ...

Please provide your email address to receive an email when new articles are posted on . Patients improved 60-second sit-to-stand test scores within 12 months of exercise intervention. Patients had ...

Aerobic exercise has shown a strong positive association with cognitive function across all age groups. It has been suggested that regular engagement in exercise positively influences cognitive ...

During one of the tests, after the 15-minute mark, they were given two capsules and told they were “designed to enhance cognitive (mental) function” during exercise.