Question

Help?


http://prntscr.com/d5512x
http://prntscr.com/d551ii

Answer 1

@princeharryyy

Answer 2

hold on let me finish dinner.

Answer 3

5 minutes.

Answer 4

take your time

Answer 5

tnks.

Answer 6

sorry.lol. have u read expected value in probability

Answer 7

ive just been skipping around the course to get things done

Answer 8

so, u just want answer?

Answer 9

?

Answer 10

probability of winning any of the tickets = 1/500

Answer 11

expected value>> (1/500)*(500) + (1/500 )*125 + (1/500)*75 => 1+0.25+0.15 = 1.40$
loss=> $10 - 1.40 = 8.60

Answer 12

that's question 1.

Answer 13

question 2>> multiply x by the value of p(x) given and add.

Answer 14

5*0.170 + 4*0.184 + 3*0.195 + 2*146 + 1*0.304 = 2.767 = 2.80

Answer 15

question 3>>

Answer 16

i am not sure about 3

Answer 17

@Theoneandonly

Answer 18

let's do other first will get to it later.

Answer 19

its fine

Answer 20

question 4>>
mean = sum of p(x)*x / total of x's

Answer 21

hold on, that is distribution. so u don't have to divide by x's lol. Sorry about that.

Answer 22

15*0.52 + 16*0.25 +17*0.11 +18*0.10 +19*0.02 = 15.85

Answer 23

because expected value and mean is same in case of distribution.

Answer 24

so, 4rth is 15.9

Answer 25

5th is simply 348/1000 = o.348=0.35

Answer 26

ok

Answer 27

let's see 3 again.

Answer 28

I think it will be first three.

Answer 29

but, I may be wrong on 3.

Answer 30

u there @Theoneandonly

Answer 31

I have two other questions maybe you could take a look at them then we'll look at 3

Answer 32

http://prntscr.com/d561sc
http://prntscr.com/d56225

Answer 33

okay. sorry i was helping others. didn't see.

Answer 34

question 6)) says for 1 heads it is 0.250, u just have to see it.

Answer 35

question 7>> 0.15*1000 +0.08*1000 = 150+80 = 230

Answer 36

ok ty sorry my wifi is so slow

Answer 37

ok. np.