a box contains 20 slips of papers, numbered 1-20. A slip of paper is drawn from the box and the number is noted. Find the probability that it is a positive integer less than 21.
To find the probability that the drawn slip of paper is a positive integer less than 21, we need to determine the total number of possible outcomes and the number of favorable outcomes.
Total number of possible outcomes: Since there are 20 slips of paper, numbered 1-20, the total number of possible outcomes is 20.
Number of favorable outcomes: We want to count the number of positive integers less than 21, which includes numbers from 1 to 20. So, the number of favorable outcomes is also 20.
Probability = Number of favorable outcomes / Total number of possible outcomes
= 20 / 20
= 1
Therefore, the probability that the drawn slip of paper is a positive integer less than 21 is 1 or 100%.
To find the probability that the slip of paper drawn from the box is a positive integer less than 21, we need to determine the total number of possible outcomes and the number of favorable outcomes.
Total Number of Possible Outcomes:
The box contains 20 slips of paper, numbered from 1 to 20. Therefore, the total number of possible outcomes is 20.
Number of Favorable Outcomes:
A positive integer less than 21 includes all the numbers between 1 and 20. In this case, all 20 slips of paper are favorable outcomes.
Now we can calculate the probability using the formula:
Probability (P) = Number of Favorable Outcomes / Total Number of Possible Outcomes
P = 20 (Favorable Outcomes) / 20 (Possible Outcomes)
Simplifying:
P = 1
Therefore, the probability that the slip of paper drawn from the box is a positive integer less than 21 is 1, or 100%.
That probability is 20/20= 1
Answer: 1