Percentages
Write the following as a Percentage:
1/2
50%
Are the following events Independent or Dependent?
Die A lands on a six
Die A lands on a five
Independent
Find the probability:
A six-sided die is rolled twice. What is the probability of it landing on a six, followed by a five?
1/36 = 2.77%
Are the following events Exclusive or Inclusive?
Picking a cat or a dog from a playpen
Exclusive
Find the probability:
There are 6 pets in a playpen. 2 are cats, 3 are dogs and 1 is a rabbit. What is the probability of picking a cat or a dog?
5/6 = 83%
Write the following as a Percentage:
3/10
Are the following events Independent or Dependent?
Spin a spinner, landing on a red color
A coin lands Tails up
Independent
Find the probability:
A six-sided die is rolled twice. What is the probability that it will show an even number the first time, then a odd number the second time?
1/4 = 25%
Are the following events Exclusive or Inclusive?
A coin landing Heads up or a coin landing Tails up
Exclusive
Find the probability:
A die is rolled. What is the probability of it landing on a 3 or 4?
2/6 = 33%
Write the following as a Percentage:
0.15
15%
Are the following events Independent or Dependent?
You pick a green ball from a bag (don't replace it)
Pick a green ball from the same bag
Dependent
Find the probability
There are 5 green balls and 3 blue balls from a bag. What is the probability of picking a green ball, give it to a friend, then pick up another green ball?
20/56 = 35.7%
Are the following events Exclusive or Inclusive?
A Die landing on a six or a four
Exclusive
Find the probability:
A 10-sided die is rolled. What is the probability of it landing on a even number or 5?
6/10 = 60%
Write the following as a Percentage:
0.342
34.2%
Are the following events Independent or Dependent?
The first baby born today is a girl
The last baby born today is a girl
Independent
What is the probability of having a baby girl, followed by a baby boy?
1/4 = 25%
Are the following events Exclusive or Inclusive?
A randomly-selected playing card is a Heart or a red card
Inclusive
Find the probability:
A six-sided die is rolled. What is the probability of it landing on an odd number or a number greater than 4?
4/6 = 66.7%
Write the following as a Percentage:
3/20
15%
Are the following events Independent or Dependent?
The first card given to a player from a pack of cards is heart
The second card given to a different player is a Heart
Dependent
Find the probability:
What is the probability of dealing out a card of Hearts, followed by another card of Hearts?
(There are 13 hearts in a deck of 52)
156/2652 = 5.8%
Are the following events Exclusive or Inclusive?
A six-sided die lands on an even number or a number greater than 4
Inclusive
Find the probability:
A card is randomly selected from a standard deck of 52 cards. What is the probability of picking an Ace or a Black card?
(There are 4 aces in a deck, and 26 black cards)
28/52 = 53.8%