Question

you want to try to estimate the number of students that will attend next year's semi-formal dance. your school has 1200 students and 4 out of 20 that you polled said they want to go to the dance. how many students do you expect will attend the dance?

Answer 1

What is four divided by 20 in decimal form?

Answer 2

The expected value can be calculated as the number of ppl attending * the probability that someone will attend
E(x)=n*p
What is the probability that someone will attend the dance?

Answer 3

Let's count 1200 as the given number here,

Answer 4

You have 1200 students, and 4 out of Every 20 in that 1200 said that they will go.

Answer 5

Four divided twenty is 0.2

Answer 6

Now that you have 4/20 simplified into decimal terms, we have to multiply the 0.2 by the given

Answer 7

So multiple 0.2 and 1200 together, and tell me what u get.

Answer 8

multiply*

Answer 9

240 @Jamal5337

Answer 10

Correcto, that is how many students you can expect to come to the dance.

Answer 11

thanks so much

Answer 12

np