Question

What is the probability that 1 or 2 are rolled on a number cube with sides numbered 1, 2, 3, 4,

5, and 6?

Answer 1

Answer:
`(1)/(3)`

Step-by-step explanation:

total sides = 6

p (rolling a 1) =
`(1)/(6)`

p (rolling a 2) =
`(1)/(6\\)`

Note:

or - add

and - multiply

∴
`(1)/(6) +(1)/(6) = (2)/(6)`

∴
`(2)/(6) = (1)/(3)`

hence, p (rolling a 1 or 2) =
`(1)/(3)`