|
#1
|
|||
|
|||
A DIE IS ROLLED 19 TIMES $10 TO CORRECT ANSWER
A DIE IS ROLLED 19 TIMES, WHAT IS THE STANDARD DEVIATION OF THE NUMBER OF 2'S ROLLED? YOU HAVE 5 MINUTES. WORK NEEDED
|
#2
|
|||
|
|||
Re: A DIE IS ROLLED 19 TIMES $10 TO CORRECT ANSWER
3.16666666666667
|
#3
|
|||
|
|||
Re: A DIE IS ROLLED 19 TIMES $10 TO CORRECT ANSWER
[censored] works.
|
#4
|
|||
|
|||
Re: A DIE IS ROLLED 19 TIMES $10 TO CORRECT ANSWER
mean = 19/6
variance = 19*5/6/6 standard deviation = sqrt (variance) sd = 1.62 |
#5
|
|||
|
|||
Re: A DIE IS ROLLED 19 TIMES $10 TO CORRECT ANSWER
ie.
sd = sqrt(npq) where n=19 p=1/6 q=5/6 |
#6
|
|||
|
|||
Re: A DIE IS ROLLED 19 TIMES $10 TO CORRECT ANSWER
this is a binomial distribution so sd = sqrt(np(1-p))
p = 1/6 n = 19 sd = 1.624 e: the answer above is incorrect and tells you the variance and not the sd e2: big biceps edited it to my answer |
#7
|
|||
|
|||
Re: A DIE IS ROLLED 19 TIMES $10 TO CORRECT ANSWER
how many sides on the die?
|
#8
|
|||
|
|||
Re: A DIE IS ROLLED 19 TIMES $10 TO CORRECT ANSWER
[ QUOTE ]
3.16666666666667 [/ QUOTE ] |
#9
|
|||
|
|||
Re: A DIE IS ROLLED 19 TIMES $10 TO CORRECT ANSWER
oh babay
|
#10
|
|||
|
|||
Re: A DIE IS ROLLED 19 TIMES $10 TO CORRECT ANSWER
The answer is 19. You can get 0 2's or 19 2's. 19-0=19.
|
|
|