The owner of a health club decides to reduce the $35 membership fee by $5. What is the approximate percent decrease in the fee?
2 answers:
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Answer:
Step-by-step explanation:
As the numbers are only between 1 and 30
Total number of possible combinations = 30×30×30 = 27000
If there are 100 attempts then
∴ Probability someone can guess the correct combination given 100 attempts is