Asked by Marcos Gomez on Sep 27, 2024

The expected number of heads in 250 tosses of an unbiased coin is 125.

Expected Number

A statistical term referring to the average value or mean of a random variable, calculated as the sum of all possible values each multiplied by its probability of occurrence.

Unbiased Coin

A term used to describe a fair coin in which each toss is equally likely to come up heads or tails.

  • Evaluate the mean, variance, and standard deviation associated with binomial distributions.