brianaclarkee brianaclarkee

25-03-2020
Mathematics

contestada

(b)
If three fair coins were tossed 32 times, how many times would you
expect to obtain:
( 3 heads.
(ii) 2 heads,
(iii) I head,
(iv) O heads?

Respuesta :

kenlingdad kenlingdad

25-03-2020

Answer:

4960, 496, 32, 0

Step-by-step explanation:

1) 3 heads: C(₃₂,₃) = (32 x 31 x 30) / (3 x 2 x 1) = 4960

2) 3 heads: C(₃₂,₂) = (32 x 31) / (2 x 1) = 496

3) 1 head: C(₃₂,₁) = (32) / (1) = 32

4) 0 head: 1

Answer Link

Otras preguntas

Which is a benefit of getting information from a government website? A. The information will be easy to understand. B. The information will be the most curren

PLEASE HELP!! QUESTION 1: What is the affirmative tú command of poner? Answer for Blank 1: QUESTION 2: What is the affirmative tú command of decir? Answer for B

true or false congress is the term used to describe the highest level of judicial branch

PLeaseee answer i have 20 min left, If p = 0.65, what is q? a, .65 b, .35 c, .55

Evaluate how did Soviet plans for eastern Europe differ from those of the other allies

Which events touched on American sympathy for revolutionary movements?

Read the passage from "A Cat Is Not a Can of Soup." During my visit to the shelter, I learned that its two paid staff members and 13 volunteers spend time with

What is the additive inverse of the complex number 13-2

Time zones were adopted to fix what problem

College Algebra hw. Need help, don’t understand it, can someone explain this to me step-by-step? 55, 57, and 58 ONLY