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1. ## Statistics hw

I don't know why I can't figure it out...
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Bank of America customers select their own three-digit personal identification number (PIN) for use at ATMs.

(A) Assuming that the first digit cannot be a zero, compute the number of possible outcomes when the digits can be repeated.

2. 9x10x10=900

3. Originally Posted by 993.M41
9x10x10=900
wth i put that in ealier and it didnt work..and now it does...i might have had a space...dang...thanks

Assuming that the first digit cannot be a zero, compute the number of possible outcomes when the digits cannot be repeated.

5. what cant you figure out?

6. 9x9x8=648

7. Originally Posted by 993.M41
9x9x8=648
Gotta spreat rep around b4 i can rep you again. I dont see where ur getting these numbers man!

Last one!

If zero can be the first digit and the numbers can be repeated, what is the probability Mr. Jones and Mrs. Smith select the same PIN?

8. Stats, uhhhhhhhhggg. I have the crappiest stats teacher ever, she can't even do the work. (She has to have her notes in front of her at all times).

Actually a lot of people are saying she can't even do highschool math without her notes.

Which leaves me trying to figure everything out myself.

9. Originally Posted by TeHbOsNiAnDeWd
Gotta spreat rep around b4 i can rep you again. I dont see where ur getting these numbers man!

Last one!

If zero can be the first digit and the numbers can be repeated, what is the probability Mr. Jones and Mrs. Smith select the same PIN?
how many numbers in the pin?

10. (10x10x10)=1000

(1/1000)x(1/1000)=0.000001

11. Originally Posted by 993.M41
9x10x10=900
you missed one step
9x10x10x10=9000 his power lvl is over 9000!

12. I sea no questions...I just did a stats subject at university ("college")

13. Originally Posted by killermike
you missed one step
9x10x10x10=9000 his power lvl is over 9000!

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