Asked by Daniel Taiwo on May 06, 2024
Verified
The expected number of heads in 200 tosses of an unbiased coin is:
A) 100
B) 50
C) 75
D) 125
E) 200
Unbiased Coin
A coin for which the probability of landing on heads or tails is exactly 50%, indicating no preference or bias.
Expected Number
A statistical measure describing the average or mean value anticipated in a random variable or in the outcomes of a random experiment.
- Calculate expected values and probabilities using binomial distribution formulas.
Verified Answer
AL
Alyssa LaBrackMay 12, 2024
Final Answer :
A
Explanation :
An unbiased coin has a 50/50 chance of landing on either heads or tails on each toss. Therefore, the expected number of heads in 200 tosses would be 0.5 multiplied by 200, which equals 100.
Learning Objectives
- Calculate expected values and probabilities using binomial distribution formulas.