SECTION: Score: 1'24 General instruction: Read and answer the questions carefully. A. Find the permutation and combination. (2 points each) For. n = 3 and r = 2. Permutation I 8. Combination: For. n = 10 and r = 5. Permutation B 8 Combination: For. n = 12 and r = B. Permutation II 8. Combination: For. n = 18 and r = B. Permutation -= s Combination: For. n = 7 and r = 3. Permutation I 8- Combination: B. Write True tithe statement is correct. Otherwise. write False and state the reason that makes it false. (2 points each) 1. in combination. the order of objects is taken into consideration. REBSOUC 2. The number of combinations of r objects taken from n objects. is the number of permutations of n obiects taken r at a time multiplied by the number of permutations of r objects. Reason: 3. In a word problem involving the arrangements or selection of objects. the phrase at least indicates that a series of operations. particularly addition and multiplication, will be used. Reason: C. Find the number of combinations. (2 points each) 1. To win the small country lottery. one must correctly select 3 numbers from 30 numbers. The order in which the selection is made does not matter. How many different selection are possible? Answer: 2. A four~person committee is to be selected from an organization's membership of 11 people. How many different committees are possible? Answer: 3. There are 12 standbys who hope to get on your ight to Hawaii. but only 6 seats are avaiiable on the plane. How many different ways can the 6 people be selected? Answer: 4. A committee of 6 consisting of 4 girls and 2 boys Is to be chosen from a class with 16 girls and 11 boys. How many distinct committees are possible to form