kaopelt1563 kaopelt1563
  • 04-01-2018
  • Mathematics
contestada

What is the expected number of heads that come up when a fair coin is flipped 10 times?

Respuesta :

mathmate
mathmate mathmate
  • 04-01-2018
This is a binomial distribution with a probability of success = 0.5 (fair coin).
n=10
so 
mean = E[x] = np =10*0.5 =5
Answer Link

Otras preguntas

Young adolescents are not fully equipped for curbing risky behavior or making long-term plans because of the incomplete maturation of their ______________.
find the value of 5y-11 given that -5y=-45
In this excerpt from the poem "Old Ironsides" by Oliver Wendell Holmes, what is the meaning of the word tread? Her deck, once red with heroes' blood Where knel
H A and H B are both weak acids in water, and HA is a stronger acid than HB. Which of the following statements is correct? Select one: a. B is a stronger base t
What is the answer to this?
Overinflated tires are more prone to — u A. hydroplaning B. deflating slowly C. blowouts D. catching on fire
Rachel graduated with honors from Harvard. Before college, she scored in the top 2 percent on the SAT. One could argue that this is evidence that the SAT is ___
If a point at (3,-4) is reflected over the X-axis to form a new point What will be the coordinate of the new point? (-3,-4), (3,4) (-3,4), or (3,-4)
Which of the following is classified as a cash flow from operating activities in a statement of cash flows? (A) payment of devidends. (B) Receipt of devidends.
write as an equation: four times a number added added to 9 times the same number equals 52.find the number