tushantmathur tushantmathur
  • 25-06-2017
  • Mathematics
contestada

Alyssa flips a fair,two-sided coin four times.What is the probability that the coin lands with heads facing up exactly three times?

Respuesta :

mathmate
mathmate mathmate
  • 25-06-2017
Fair coin means P(heads) = 1/2 for each flip.
The three flips are independent, so multiplication rule applies.
P(head,head,head)=(1/2)(1/2)(1/2)=1/8
Answer Link

Otras preguntas

Depending on the car and the additional features, a convertible sports car can cost between $19,028 and $370,790. Write two inequalities that describe this rang
Which group was NOT a target for racism in the United States during World War II? Japanese British Mexicans African Americans
What is the answer for 4=0.5z-4
How do you round 0.682 to the nearest tenth?
The state religion of the Han Dynasty was _____. A. Shinto B. Buddhism C. Confucianism D. Tao
explain why electric current produced by power plants is transmitted as an alternating current
about how many pints are there in 445 ounces
How does most of the heat In Earth's atmosphere move from place to place?
if I have 144 fluid oz of wax how many 1-cup molds can I fill
What is the equation of the quadratic function y= x^2+24x+29 in vertex form?