In a lottery, there are 100 tickets, and 10 of them are winning tickets. What is

Practice Questions

Q1
In a lottery, there are 100 tickets, and 10 of them are winning tickets. What is the probability of selecting a winning ticket?
  1. 1/10
  2. 1/5
  3. 1/20
  4. 1/50

Questions & Step-by-Step Solutions

In a lottery, there are 100 tickets, and 10 of them are winning tickets. What is the probability of selecting a winning ticket?
Correct Answer: 1/10
  • Step 1: Identify the total number of tickets in the lottery. In this case, there are 100 tickets.
  • Step 2: Identify the number of winning tickets. Here, there are 10 winning tickets.
  • Step 3: To find the probability of selecting a winning ticket, use the formula: Probability = (Number of Winning Tickets) / (Total Number of Tickets).
  • Step 4: Substitute the numbers into the formula: Probability = 10 / 100.
  • Step 5: Simplify the fraction 10 / 100 to get 1 / 10.
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