dakotagogiant
dakotagogiant dakotagogiant
  • 10-10-2016
  • Mathematics
contestada

An unfair coin with .4 probability of tails is flipped 7 times what is the probability of obtaining exactly 5 heads

Respuesta :

toporc
toporc toporc
  • 10-10-2016
P(heads) = 1 - 0.4 = 0.6[tex]P(5\ heads)=7C5\times0.6^{5}\times0.4^{2}=0.2613[/tex]
The answer is 0.26 to 2 d.p.
Answer Link

Otras preguntas

The coordinates of point T are (0,2). The midpoint os ST is (1,-5). Find the coordinates of point S.
mZDFG = (2x + 6) and m EFG = (3x - 11)'. Find the value of 2.
How are DNA and RNA different? A) DNA has a single chain and the base thymine, while RNA has a double chain and the base cytosine instead or uracil. B) DNA has
When matter undergoes physical changes, the chemical composition also changes. True False
A coral reef grew 3000 millimeters taller. How much did it grow in meters?
-5 (3x – 4) + 4 = 69
what is the molarity of 50gram of calcium carbonate is dissolved in 250ML of water​
What is 8x+11<6x+1 X=?
When I was two years old my brother was half of my age if I am 100years old, how old is my brother
Serena estimates that she can paint 60 sq feet of wall space every 1/2 hour write an equation for the relationship with time and hours