kinseydaviscorr
kinseydaviscorr kinseydaviscorr
  • 02-11-2017
  • Mathematics
contestada

If X is a binomial random variable, compute P(X=x) for each of the following cases:

(a) n=3,p=0.15,x=2
(b) n=4,p=0.5,x=1
(c) n=5,p=0.2,x=1
(d) n=4,p=0.1,x=4

Respuesta :

LammettHash
LammettHash LammettHash
  • 02-11-2017
(a) [tex]\mathbb P(X=2)=\dbinom320.15^2(1-0.15)^{3-2}=\dfrac{459}{8000}\approx0.0574[/tex]

(b) [tex]\mathbb P(X=1)=\dbinom410.5^1(1-0.5)^{4-1}=\dfrac14=0.25[/tex]

(c) [tex]\mathbb P(X=1)=\dbinom510.2^1(1-0.2)^{5-1}=\dfrac{256}{625}=0.4096[/tex]

(d) [tex]\mathbb P(X=4)=\dbinom440.1^4=\dfrac1{10000}=0.0001[/tex]
Answer Link

Otras preguntas

Who were some famous authors of the 1930s'?
Which three lengths could be the lengths of the sides of a triangle? 9 cm, 14 cm, 22 cm 20 cm, 6 cm, 8 cm 21 cm, 7 cm, 7 cm 15 cm, 5 cm, 20 cm
Most organisms today use __ as the hareditary material
Eric's new job really interests him. he finds himself completely immersed in his work and so focused that the tasks seem effortless. what term describes this st
What are the two main sources of income for the federal government?
How did Spanish Friars view Native American Religions? explain.
In a _____, if any link between nodes is severed, the entire network is affected, and failure of a single node disrupts the entire network.
A company purchased land for $90,000 cash. real estate brokers' commission was $5,000 and $7,000 was spent for demolishing an old building on the land before co
Describe the investigation on the effects of bile salts on fat digestion
Solve for k: k/2+1/2= Plz explain how to solve it