Page 187 - NUMINO TB_3B
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Certain b . There is an even chance of getting
Pulling out yellow, green, or red marbles either heads or tails when tossing a
coin. Frequency of tossing either heads
Impossible or tails should be identical.
Pulling out white marbles Activity 3 P. 150~151
Pulling out pencils
1 . a. equally likely
b . Likely
Yes
Spinning 1 It is a fair game, because the outcomes
are equally likely.
Unikely
Spinning 5 b . not equally likely
Certain No
Spinning 1, 3, or 5 It is not a fair game because the
Spinning odd numbers outcomes are not equally likely.
Impossible c . equally likely
Spinning 7
Spinning 2 Yes
Spinning even numbers It is a fair game because the outcomes
are equally likely.
2 . a. blue b . brown
c . green d . Blue and yellow
Activity 2 P. 148~149 Activity 4 P. 152~153
1 . Stops at blue 1 . Result
Stops at yellow
Stands upright Color Time
Stands on its side 14
Stands upside down yellow 0
green 16
Rolls 1, Rolls 2, Rolls 3, 0
Rolls 4, Rolls 5, Rolls 6 red
blue
Team A wins Result
Team B wins
The two teams tie Color Time
10
2 . a. Sample Answers yellow 11
green 9
10
red
blue
Results of Coin Tosses Result
5 10 15 20 25 30 Color Time
0
Heads yellow 8
green 7
Heads 15
red
blue
176
Certain b . There is an even chance of getting
Pulling out yellow, green, or red marbles either heads or tails when tossing a
coin. Frequency of tossing either heads
Impossible or tails should be identical.
Pulling out white marbles Activity 3 P. 150~151
Pulling out pencils
1 . a. equally likely
b . Likely
Yes
Spinning 1 It is a fair game, because the outcomes
are equally likely.
Unikely
Spinning 5 b . not equally likely
Certain No
Spinning 1, 3, or 5 It is not a fair game because the
Spinning odd numbers outcomes are not equally likely.
Impossible c . equally likely
Spinning 7
Spinning 2 Yes
Spinning even numbers It is a fair game because the outcomes
are equally likely.
2 . a. blue b . brown
c . green d . Blue and yellow
Activity 2 P. 148~149 Activity 4 P. 152~153
1 . Stops at blue 1 . Result
Stops at yellow
Stands upright Color Time
Stands on its side 14
Stands upside down yellow 0
green 16
Rolls 1, Rolls 2, Rolls 3, 0
Rolls 4, Rolls 5, Rolls 6 red
blue
Team A wins Result
Team B wins
The two teams tie Color Time
10
2 . a. Sample Answers yellow 11
green 9
10
red
blue
Results of Coin Tosses Result
5 10 15 20 25 30 Color Time
0
Heads yellow 8
green 7
Heads 15
red
blue
176

