Question
Molly spins the spinner above one time.
(2 points)
What is the probability that the spinner lands on an even number? Write your answer as a decimal.
What is the probability that the spinner lands on a number greater than 20? Write your answer as a decimal.
Answers
GPT-4o mini
To determine the probabilities, we need to know the total numbers on the spinner and which ones are even and which are greater than 20. Since you haven't provided the specific details about the spinner, I'll assume a general example with the numbers 1 to 30 as a common case.
1. **Probability that the spinner lands on an even number:**
From 1 to 30, the even numbers are: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, and 30. There are a total of 15 even numbers.
The total number of outcomes is 30.
\[
\text{Probability of landing on an even number} = \frac{\text{Number of even numbers}}{\text{Total numbers}} = \frac{15}{30} = 0.5
\]
2. **Probability that the spinner lands on a number greater than 20:**
The numbers greater than 20 in this case are: 21, 22, 23, 24, 25, 26, 27, 28, 29, and 30. This gives us a total of 10 numbers greater than 20.
\[
\text{Probability of landing on a number greater than 20} = \frac{\text{Number of numbers greater than 20}}{\text{Total numbers}} = \frac{10}{30} = \frac{1}{3} \approx 0.3333
\]
Based on these calculations:
- The probability of landing on an even number is **0.5**.
- The probability of landing on a number greater than 20 is approximately **0.3333**.
If the spinner has different numbers or a different range, please provide that information for accurate calculations.
1. **Probability that the spinner lands on an even number:**
From 1 to 30, the even numbers are: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, and 30. There are a total of 15 even numbers.
The total number of outcomes is 30.
\[
\text{Probability of landing on an even number} = \frac{\text{Number of even numbers}}{\text{Total numbers}} = \frac{15}{30} = 0.5
\]
2. **Probability that the spinner lands on a number greater than 20:**
The numbers greater than 20 in this case are: 21, 22, 23, 24, 25, 26, 27, 28, 29, and 30. This gives us a total of 10 numbers greater than 20.
\[
\text{Probability of landing on a number greater than 20} = \frac{\text{Number of numbers greater than 20}}{\text{Total numbers}} = \frac{10}{30} = \frac{1}{3} \approx 0.3333
\]
Based on these calculations:
- The probability of landing on an even number is **0.5**.
- The probability of landing on a number greater than 20 is approximately **0.3333**.
If the spinner has different numbers or a different range, please provide that information for accurate calculations.