maggiealexandra maggiealexandra

02-09-2020
Mathematics

contestada

A coin flipped 10 times and the results is recorded. What is the probability of getting at least 8 tails ?

Respuesta :

krystalakatsa krystalakatsa

02-09-2020

Answer: 0.0546875

Step-by-step explanation:

The number of times the coin landing head 8 out of 10 is simply:

C(10, 8)/2^10. At least 8 means, 8 or more. Since the events here are dependent on themselves the answer would be:

[ C(10, 8) + C(10, 9) + C(10, 10) ] / 2^10 = 56/1024 = 0.0546875

Answer Link

Otras preguntas

Two friends share some money in the ratio 7:2 what fraction of the money does the first friend receive

Plasma membranes are permeable to _____. hydrophilic molecules such as glucose large hydrophilic molecules such as starch nonpolar molecules such as co2 small i

The volume of a cylinder is 40ft^3. Which expression represents the volume of a cone with the same base and height as the cylinder? 3(40)ft^3 3(1/40)ft^3 1/3(40

Help please on these thanks

What did Eli Whitney do after graduating college?

When a partnership is terminated, the assets are turned into cash, and obligations are paid .dissolution. termination. realization. None of the above

When a person decides on a particular belief and then assembles data and arguments to back up his or her conclusions, that person is engaging in?

Find all solutions of the equation in the interval [0,2π) sec(theta) +2=0

slove for x: x+1/3=1/4

divide m2n3/p3 by mp/n2