Question: Find the probability of randomly selecting "second grader that thinks sharks are scary" P(second grader AND sharks). Write your answer as a percent.
Scary Animals!
Snakes:
First Graders: 10
Second Graders: 12
Total: 22
Alligators:
First Graders: 13
Second Graders: 10
Total: 23
Sharks:
First Graders: 15
Second Graders: 23
Total: 38
Other:
First Graders: 12
Second Graders: 5
Total: 17
Total:
First Graders: 50
Second Graders: 50
Total: 100
11 answers
The probability of randomly selecting a second grader that thinks sharks are scary is P(second grader AND sharks) = 23/100 = 0.23 or 23%.
Question: Find the probability of randomly selecting a "kid" from this list. P(Kids). Write your answer as a fraction.
Favorite Ice Cream Topping
Hot Fudge:
Kids: 2
Adults: 11
Total: 13
Rainbow Sprinkles:
Kids: 15
Adults: 19
Total: 39
M&M’s:
Kids: 18
Adults: 0
Total: 18
Other:
Kids: 10
Adults: 17
Total: 27
Total:
Kids: 45
Adults: 47
Total: 92
Favorite Ice Cream Topping
Hot Fudge:
Kids: 2
Adults: 11
Total: 13
Rainbow Sprinkles:
Kids: 15
Adults: 19
Total: 39
M&M’s:
Kids: 18
Adults: 0
Total: 18
Other:
Kids: 10
Adults: 17
Total: 27
Total:
Kids: 45
Adults: 47
Total: 92
The probability of randomly selecting a "kid" from the list is P(Kids) = 45/92.
Question: Find the probability of randomly selecting a "green" marble from this list.
P (Green). Write your answer as a fraction in simplest form.
Marble Collection
Red:
Solid: 8
Striped: 52
Total: 60
Green:
Solid: 6
Striped: 12
Total: 18
Blue:
Solid: 12
Striped: 17
Total: 29
Total:
Solid: 26
Striped: 81
Total: 107
P (Green). Write your answer as a fraction in simplest form.
Marble Collection
Red:
Solid: 8
Striped: 52
Total: 60
Green:
Solid: 6
Striped: 12
Total: 18
Blue:
Solid: 12
Striped: 17
Total: 29
Total:
Solid: 26
Striped: 81
Total: 107
The probability of randomly selecting a "green" marble is P(Green) = (Solid Green + Striped Green) / Total Marbles = (6 + 12) / 107 = 18 / 107 (fraction in simplest form).
Question: Find the probability of randomly selecting a "Striped marble that is blue" from this list. P (Blue AND Striped). Write your answer as a fraction in simplest form.
Marble Collection
Red:
Solid: 8
Striped: 52
Total: 60
Green:
Solid: 6
Striped: 12
Total: 18
Blue:
Solid: 12
Striped: 17
Total: 29
Solid: 26
Striped: 81
Total: 107
Marble Collection
Red:
Solid: 8
Striped: 52
Total: 60
Green:
Solid: 6
Striped: 12
Total: 18
Blue:
Solid: 12
Striped: 17
Total: 29
Solid: 26
Striped: 81
Total: 107
The probability of selecting a "Striped marble that is blue" is P(Blue AND Striped) = (Striped Blue) / Total Marbles = 17 / 107 (fraction in simplest form).
Question: Find the probability of randomly selecting a person that prefers "hot fudge" from this list. P(Hot Fudge). Write your answer as a fraction.
Favorite Ice Cream Topping
Hot Fudge
Kids: 2
Adults: 11
Total: 13
Rainbow Sprinkles:
Kids: 15
Adults: 19
Total: 34
M&M’s:
Kids: 18
Adults: 0
Total: 18
Other:
Kids: 10
Adults: 17
Total: 27
Total:
Kids: 45
Adults: 47
Total: 92
Favorite Ice Cream Topping
Hot Fudge
Kids: 2
Adults: 11
Total: 13
Rainbow Sprinkles:
Kids: 15
Adults: 19
Total: 34
M&M’s:
Kids: 18
Adults: 0
Total: 18
Other:
Kids: 10
Adults: 17
Total: 27
Total:
Kids: 45
Adults: 47
Total: 92
The probability of randomly selecting a person that prefers "hot fudge" is P(Hot Fudge) = (Adults who prefer hot fudge) / Total people = 11 / 92 (fraction).
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The probability of randomly selecting a person that prefers "hot fudge" is P(Hot Fudge) = (Adults who prefer hot fudge) / Total people = 11 / 92 (fraction).
The probability of randomly selecting a person that prefers "hot fudge" is P(Hot Fudge) = (Adults who prefer hot fudge) / Total people = 11 / 92 (fraction).
1 answer