Page 369 - NUMINO_WB_6B
P. 369
186-B2-1
Independent and Dependent Events
1. Write independent or dependent to describe the event.
A and B are independent events.
P(A and B) P(A) P(B)
A and B are dependent events.
P(A and B) P(A) P(B after A)
a. Rolling a die twice.
b. There are 3 red marbles, 2 blue marbles, and 4 yellow marbles in a bag. Take
1 marble out of the bag. Then, take out another marble without putting the 1st
marble back in the bag.
c. Spin two spinners that are equally divided into red, blue, yellow, and green
parts.
d. Take out a number card from the number cards 1 to 20 from a bag. Then, put
the number card back in the bag and take out another number card.
Independent and Dependent Events
1. Write independent or dependent to describe the event.
A and B are independent events.
P(A and B) P(A) P(B)
A and B are dependent events.
P(A and B) P(A) P(B after A)
a. Rolling a die twice.
b. There are 3 red marbles, 2 blue marbles, and 4 yellow marbles in a bag. Take
1 marble out of the bag. Then, take out another marble without putting the 1st
marble back in the bag.
c. Spin two spinners that are equally divided into red, blue, yellow, and green
parts.
d. Take out a number card from the number cards 1 to 20 from a bag. Then, put
the number card back in the bag and take out another number card.