m3rk098 m3rk098
  • 15-05-2018
  • Mathematics
contestada

hello can you please help me posted picture of question

hello can you please help me posted picture of question class=

Respuesta :

11beehshahbaz 11beehshahbaz
  • 15-05-2018
Since the order of selection does not matter we will use combinations to solve this problem.

Total number of students = 20
Number of students to be selected = 4

We are to find the combinations of 20 objects taken 4 at a time. This can be expressed as 20C4

20C4 = 4845

Thus, there are 4845 ways to select the 4 students.

So, the correct option is D
Answer Link

Otras preguntas

You are observing species population in a community in which owls and snakes both consume only mice. If the population of snakes decreases significantly, which
Which statement is true of velocity but not speed? O A. It is calculated using displacement. O B. It is calculated using time. O C. It is calculated using dista
how much do you have to make a year to afford a $500,000 house
Please help me with question 8
Why was Charlemagne called the "Father of Europe”? 1. He united territories in the region. 2. He defeated the Franks to end a long war. 3. He established the Ca
How does the author’s choice of the word “muscle” help readers picture Bull Connor as a bully? Write two to three sentences explaining your answer.
Does anyone do Unit Activity: Write a Literature Analysis on Authorial Techniques? Please! I really need help with all of it! And please no links!!!
How do I the a noose with a shirt ?
Given f (x) = {(5 – x)? what is the value of f(11)?
how did the british refer to the sons of liberty ? why?​