ZakeryN774891 ZakeryN774891

26-10-2022
Mathematics

contestada

A coin is tossed 3 times. Find the probability of getting exactly two head

Respuesta :

AadinR459 AadinR459

26-10-2022

In this problem, we have a binomial probability distribution

so

n=3

p=0.50

q=0.50

Find out P(X=2)

[tex]P(X=2)=\frac{3!}{2!(3-2)!}*0.50^2*0.50^{(3-2)}[/tex]

P(X=2)=0.375

Answer Link

Otras preguntas

over the counter drugs OTC can be dispensed without a prescription because they

The town of Los Alamos, New Mexico, was built by the US government in the early 1940s as a site

Find the past tense of cut

Find an explicit function rule for the sequence 5,11,17,23,.... Use the formula a(n) = a(n-1)d and simplify fully.

legislation passed in the 1950's to fund an interstate highway system primarily in response to what?

A sample contains 6.25 percent parent isotope and 93.75 percent daughter isotopes. If the half-life of the parent isotope is 58 years, how old is the sample?

Find an explicit function rule for the sequence 5, 11, 17, 23, .... Use the formula a (n) = a (1) + (n-1)d and simplify fully.

A sample contains 6.25 percent parent isotope and 93.75 percent daughter isotopes. If the half-life of the parent isotope is 58 years, how old is the sample?

Think of the 1920s in contrast with the Great Depression of the 1930s. Which of these two time periods do you think has had a bigger impact on the development o

What do the Colony of Rhode Island and the Providence Plantations and the New England Confederation have in common? Select the best answer from the choices prov