Question

Which are dependent events?
rolling two number cubes
tossing the same coin two times
spinning a spinner and rolling a number cube
taking two marbles from a box without replacing the first marble

You roll a six-sided number cube. Which events are mutually exclusive?

rolling a multiple of 2 and a multiple of 4
rolling a multiple of 3 and a multiple of 6
rolling an even number and an odd number
rolling a prime number and an even number

Answer 1

Any ideas?

Answer 2

1. A 2.B

Answer 3

What does the phrase "dependent events" mean to you?

Answer 4

it means it depends on something else.

Answer 5

Correct. What does "depend" mean?

Answer 6

Rely on

Answer 7

Yes, but in math we think of it as a strong reliance in the sense that one thing is
"controlled by" the other, got it?

Answer 8

okay

Answer 9

The question: "Which are dependent events?"
is asking which event controls the out-come of the second event.

Answer 10

rolling two number cubes
tossing the same coin two times
spinning a spinner and rolling a number cube
taking two marbles from a box without replacing the first marble

Answer 11

C?

Answer 12

Why?

Event #1 spinning a spinner
and
Event #2 rolling a number cube

Does the first event control the out-come of the second event?

Answer 13

no it doesn't

Answer 14

Which are dependent events?

Answer 15

The WHOLE idea here is to look at each choice and try to separate it it into TWO events
#1 and #2 like I did above, then decide: does one of them control the other?

Answer 16

@vivianrush Think about this choice:

taking two marbles from a box without replacing the first marble

Answer 17

Taking two marbles from a box without replacing the first marble.
Rolling an even number and an odd number.

Answer 18

Correct.