Question

CAN SOMEONE PLEASE HELP ME?!
at West Middle School, 30% of students have a dog, 20% of students have a cat, 10% of students have another kind of pet, and 40% of students have no pets.

a) Explain how you can use a random-number table to find the experimental probability that in a group of 5 students, at least 2 will have a dog.

b) Use your model from part a and the table below to find the experimental probability that in a group of 5 students, at least 2 will have a dog.

Answer 1

I'm not aware of the "random-number table" sorry...

Answer 2

@Happpily @watermelon16

Answer 3

i have been working on this for hours and i have to go to bed soon. can you please help me?

Answer 4

https://www.youtube.com/watch?v=53MVU07j6dY

Answer 5

when i was researching on how to do this i watched this, but it didnt help.could you help me?

Answer 6

am trying
i watched her, she's not that good, give me more time

Answer 7

what grade is this for?

Answer 8

its a quiz.

Answer 9

oh and i dont know if what i said came out wrong but i didnt mean for it to come out that way

Answer 10

is the above random table related to this and we need to use it here?

Answer 11

yeah, it was in the question

Answer 12

this is much better
https://www.youtube.com/watch?v=ErDwaZ5P6DQ

I understand now how to use it so let me try here ;)

Answer 13

West Middle School, 30% of students have dogs, 20% have a cat,10% have another kind of pet, 40% have no pet.?

a) Explain how you can use a random-number table to find the experimental probability that in a group of 5 students, at least 2 will have a dog.

b) Use your model from part a and the table below to find the experimental probability that in a group of 5 students, at least 2 will have dog.



Chart : 65926 31459 31986 65809 80462
27387 39075 46738 21986 59837
91384 10987 26491 68498 98796
32596 26448 31235 63256 53121

Answer 14

Is this the question you are asking?

Answer 15

yes

Answer 16

ok @JordanBailie13
we have 100% right?
30% D
20% C
10% P
40% N
so lets say numbers 00-09 are for P i.e. any other Pet
10-29 are for C i.e. cats
30-59 are for D ie dogs
60-99 are for N ie No pets

Answer 17

are we good so far @JordanBailie13 ?

Answer 18

can I continue @JordanBailie13 ?

Answer 19

yes please

Answer 20

Pick any random position in your chart and start from there taking 2 digits each time, what will that give u in terms of students, which group do u get?

65926 31459 31986 65809 80462
27387 39075 4673>8 21986 59837 let's say we start from the 8 here after the >
91384 10987 26491 68498 98796
32596 26448 31235 63256 53121

Answer 21

so we are doing A?

Answer 22

yes doing A
we are picking 5 students
so the numbers picked as 1 string is 8 21986 5983
1) 82 is N
2) 19 is C
3) 86 is N
4) 59 is D
5) 83 is N

Answer 23

we only got 1 dog above, so try and move forward and pick another starting point

Answer 24

i appreciate your help but i am like half asleep. i literally just woke up because i dozed off.do you know if i have to be completely awake to understand this?:)

Answer 25

it's ok you can come back to it tomorrow if you want, just watch the second video and look at what I did here :)

65926 31459 31986 65809 80462
27387 39075 46738 21986 59837
91384 10987 > 26491 68498 98796 start with >2
32596 26448 31235 63256 53121

26491 68498
1) 26 is a cat
2) 49 is a dog
3) 16 is a cat
4) .. carry on until u pick a number that will get u 2 Dogs

Answer 26

okay thank you:) what time are you going to be on openstudy?

Answer 27

am not sure its random, whenever am free and bored:)
good night