Page 198 - NUMINO TB_4B

NUMINO

2. 1 1 2 . Sample Answer
2 2
Red 3 Yellow 3 Outcome Landing Landing Landing on Floating in
4 4 Upright Upside-Down the Side the Air
5 5
6 6 Tally

Green 1 Likelihood likely likely likely impossible
2
3 3 . a. certain b . unlikely
4 c . likely d . impossible
5
6 Activity 2 P. 158~159

3 6 18 combinations 3 2 1 2
8 8 8 8
3 . Number of ways to buy a sandwich: 1. b. , , ,

3 outcomes 2. a. 3 b. 3 c. 2
6 6 6
Number of ways to buy a drink:
3 outcomes 3. a. 3 b. 2
8 8
Total number of ways:
3 3 9 combinations

4 . Ways to get from City A to City B: c. 2 d. 1
8 8
3 outcomes
Activity 3 P. 160~161
Ways to get from City B to City C:
3 outcomes 1 . AEPPR, PAPER

Total number of ways: 00147, 74,100
3 3 9 combinations 001479, 100,794
CNOOTT, COTTON
Unit 32. Probability

P. 154~155

There is an equal chance that Ann will pull out
a red or a blue marble. Since there is one of
each in her bag, the chance of pulling out either
of the two marbles is equally likely.

Activity 1 P. 156~157
1 . b. unlikely
c . impossible

Answers 187