maggiealexandra
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

when you put some food in microwave it gets hot i it conduction,convection or radiation
Jadyn is not feeling well today. ______________ he will not be attending the meeting. A) although B) consequently C) meanwhile D) nevertheless
Compare the basic foreign policy of the early United States early on to that of today
A mortgage broker charges 1000 plus 0.5% of the mortgage amount. What is the mortgage broker fee for an 89,000 mortgage? A. $445 B. $450 C. $1,445 D. $1,500
Whats the quake root of 6
0.144 + 0.005 = _______. A. 0.140 B. 149 C. 0.149 D. 0.139
Which of the following sentences contains a linking verb? Question 12 options: Pahom is unhappy. Pahom moves again. Pahom buys a farm. Pahom dies.
What is the root word for unbelievable
where does it hail the most?
A vehicle uses 1 1/8 gallons of gasoline to travel 13 1/2 miles. At this rate, how many miles can the vehicle travel per gallon of gasoline?A: 16/243B: 4/3C: 12