SOLUTION: Please you help me fins this problem How do you know? 15.) What if...? In the United Kingdom's National Lottery, you must correctly select a group of 6 numbers from 49. Suppose

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Question 179123This question is from textbook Permutation and Combinations
: Please you help me fins this problem
How do you know?
15.) What if...? In the United Kingdom's National Lottery, you must correctly select a group of 6 numbers from 49. Suppose that the contest were changed to selecting 7 numbers. How many more ways would there be to select the number?
Please rely me back as soon as you could.
Thank you. This question is from textbook Permutation and Combinations

Found 2 solutions by edjones, Mathtut:
Answer by edjones(8007) (Show Source):
You can put this solution on YOUR website!
49C6=13983816
49C7=85900584
49C7-49C6=71,916,768 Answer
.
Ed

Answer by Mathtut(3670) (Show Source):
You can put this solution on YOUR website!
49C6 for 6 =49*48*47*46*45*44/6*5*4*3*2=13983816
:
49C7 for 7 =49*48*47*46*45*44*43/7*6*5*4*3*2=85900584
:
subtract the two and you'll have your answer.