mariambaluch21
mariambaluch21 mariambaluch21
  • 01-05-2020
  • Mathematics
contestada

John flips a fair coin 40 times. How many times can he expect heads to appear?
4
10
15
20

Respuesta :

ang82
ang82 ang82
  • 01-05-2020
The answer is 20, since it’s heads and tails you have a half and half chance, therefore you divide 40 in half and get 20
Answer Link

Otras preguntas

It is important to wear rubber gloves or a plastic face mask when administering first aid: to protect yourself and the victim from the spread of infectious dise
20a^8b^-3/-4a^-9b^10 Help me solve this problem.
Marina abramovic's the artist is present took ________ to complete.
Fahrenheit 451 is a book about both willful ignorance and censorship. explain how willful ignorance created the society depicted in this novel. then describe ho
sec 11pi/3 Use the fact that there are 2pi radians in each circle to find another angle, smaller than 2pi, that is equivalent to 11pi/3.
Which word or phrase best completes the following sentence? Quand _____ en France, j’ai visité plusieurs monuments. A) j’ai été B) l’était C) j’étais D) j’
Susana tiene piernas muy fuertes. Corre _____ .
Which of the following is an autosomal recessive disease? a) down syndrome b) diabetes c) polydactyly d) none of the above
In The Wilderness Act, read Special Provision (3) of Section 4 about mining. What key points are made in this provision? Identify two or more key points and pro
Find the greatest common factor of 45m and 6m^5