Question

A die is a six-sided figure; each side shows a number of spots; the numbers of spots on the six sides are 1, 2, 3, 4, 5, and 6. Unless the problem says otherwise, you can assume that the die is fair, that is, each face has chance 1/6 of appearing regardless of what has appeared before.
1.A die is rolled three times. Find the chance that the face with 4 spots appears at least once.
2.A die is rolled three times. Find the chance that three different faces appear.

Answer 1

i believe it is 3/18 and 15/18. not sure though.

Answer 2

no its wrong

Answer 3

Do you have answer choices?

Answer 4

no

Answer 5

1. 31/216
2. 5/9

Answer 6

1 is wrong

Answer 7

3/216?

Answer 8

now i dont knw about th 1 one

Answer 9

oops 91/216

Answer 10

1. What is the prob of 4 not appearing at all ?

Answer 11

tell me the answer of part 2

Answer 12

If you only want ans. then
(1) P = \( 1 - \cfrac{5^3}{6^3}\)

Answer 13

(2) P = \(\cfrac{6*5*4}{6^3}\) = \(\cfrac{20}{36}\)= \(\cfrac{15}{18}\)

Answer 14

yeah its ryt
91/216

Answer 15

Well why do you want only answers ?

Answer 16

i didnt mean that
first explain me
then tell me how to solve it