Amarilandy2783 Amarilandy2783
  • 15-01-2019
  • Mathematics
contestada

A coin is to be tossed 36 times what are the mean and standard deviation of the number of heads

Respuesta :

ejhuff ejhuff
  • 24-01-2019

Answer:

Binomial distribution,

n = 36 independent events,

p = 0.5 probability of success and of failure, as 1-p = p.

Mean of binomial distribution is np=18.

Variance is np(1-p)=9

Standard deviation is sqrt(variance)=3.

Answer Link

Otras preguntas

the area of a circle whose radius is 2.1m³is 13.85m²TRUE OF FALSE​
j'ai vraiment besoin de l'aide c'est question sont sur le poème de " LES USINES " 1-En plus des usines, quels sont les deux autres endroits où les gens se retr
I need this by to night somebody help pls
Solve for x. Round to the nearest tenth of a degree, if necessary. Please only answer if you know the answer 9.1 4.6
Joelle is a manager at a construction company, and she is interested in the chemistry behind the materials they use. She has begun studying the materials used t
what is 300 x 10 to the power of 5 in proper standard form?
HELP!!! Translate Ana’s house in Spanish
Please help it’s summer school and i need serious help
State a situation where you think there is a professional dilemma in your own experience or if you have witnessed What in your opinion should be the right cours
What is the process by which water leaves a plant through its leaves?