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

Convert 95 lbs to grams

origin of the solar system

What does it mean, Those with the most resources have the loudest voice? elaborate.

Match Term Definition esquiar A) speaking bailar B) playing an instrument escuchar C) dancing tocar D) skiing nadar E) listening bucear F) scuba diving hablar G

What industries drive the economy in Austria?

prove that tan2A is equal to 2tanA/1-tan^2A

Which action did Nicholas Biddle take concerning the second Bank of the United States? A- He directed the Bank to delay foreclosure on farms during the economic

A driver can stop his car from the red signal at a distance of of 20 m when he drives at 36 kmph and 41.25 m when he drives at 54 kmph find his reaction time

Thanks, to everyone asking questions and giving answers. I finished my adult diploma today and a lot of it came from all of your help. The first two people to c

Paul plans to put concrete on a rectangular portion of a driveway. The portion is 12 feet long and 6 inches high. The price of the concrete is $98.00 per cubic