1. A group of 12 people enjoy different hobbies, 2 enjoy art, 6 enjoy knitting and 4 enjoy quilting. A person is chosen at rando
m.
What is the probability that the person enjoys knitting or quilting?
2/3
1/2
5/6
1/3
2. Adam has 10 coins in his pocket. He has 2 nickels, 3 quarters, 2 dimes and 3 pennies. Adam chooses a coin at random.
What is the probability that he selects a nickel or a dime from his pocket?
2/5
3/5
4/5
1/2
3. Jamie rolls a pair of six-sided number cubes.
What is the probability that the sum of the numbers on the number cubes is either a multiple of 5 or an odd number?
5/9
25/36
7/12
2/3
4. In a group of 30 people, 9 people study French and 14 people study Spanish. Seven people study both French and Spanish.
What is the probability of studying French or Spanish?
7/50
7/30
23/30
8/15
5. A and B are two events.
P(A)=0.5 , P(B)=0.4 and P(A and B)=0.3 .
What is the value of P(A or B) ?
0.2
0.3
0.4
0.6
2 answers:
1) 5/6
2) 2/5
3)2/3
4)23/30
5).3
Answer:
1. 5/6
2. 2/5
3. 2/3
4. 8/15
5. 0.6
Step-by-step explanation:
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Answer:
8
Step-by-step explanation:
12 * <u>2</u>
3
= <u>24</u>
3
= 8
Therefore the answer is E. 8
A central angle in a circle with a radius of 7in. intercepts an arc with a length of 9in. What is the radian measure of the central angle?
Answer:
100 people
Step-by-step explanation:
if u notice the points are (2,6) and (6,18). 6÷2=3 and 18÷6=3, so if you catch this pattern than you can do 300÷3=100
The answer is 4 because the d is already negative
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