Question

Probablity question

Answer 1

In a certain lottery 10,000 tickets are sold and ten equal prizes are awarded.
What is the probability of not getting a prize if you buy (a) one ticket (b) two
tickets (c) 10 tickets

Answer 2

lol 100% of not getting a prize for meh :P
bad luck :P

Answer 3

P(winning with one ticket) = 10/1000 = 0.001

Answer 4

so (a.) not winning a ticket =990/1000 ?

Answer 5

9990/10.000 = 0.999

Answer 6

but

1-10/1000=990/1000

Answer 7

u earlier said P(winning with one ticket) = 10/1000

Answer 8

its 10 over 10 thousand

Answer 9

yea that was a mistake should be 10 / 10,000

Answer 10

ok

Answer 11

yes there is a probability

Answer 12

it's c

Answer 13

probability not getting prize is 10/10,000

Answer 14

If you buy 2 tickets, the probability of not getting a prize is given by
\[\large \frac{9990C2}{10000C2}=0.998\]
If you buy 10 tickets, the probability of not getting a prize is given by
\[\large \frac{9990C10}{10000C10}=0.99\]