A poll showed that 49.9% of Americans say they believe that Marilyn Monroe had an affair with JFK. What is the probability of randomly selecting someone who does not believe that Marilyn Monroe had an affair with JFK.

Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol.
prob = 

The probability of randomly selecting someone who does **not** believe that Marilyn Monroe had an affair with JFK can be calculated by subtracting the percentage of people who do believe from 100%.

\[
\text{probability} = 100\% - 49.9\%
\]

\[
\text{probability} = 50.1\%
\]

Thus, the probability is:

\[
\boxed{50.1}
\]

Would you like more details or have any questions? 

Here are 5 related questions for you to consider:
1. What is the complementary probability in other poll-based scenarios?
2. How do you calculate probabilities based on percentages in surveys?
3. How can you use this probability in a larger statistical analysis?
4. How would the probability change if the poll results were slightly different?
5. How can probability be applied to estimate outcomes in other real-life situations?

**Tip:** When calculating probabilities, always check if the event is the complement of another event to simplify calculations.

A poll showed that 49.9% of Americans say they believe that Marilyn Monroe had an affair with JFK. What is the probability of randomly selecting someone who does not believe that Marilyn Monroe had an affair with JFK?

Learn how to calculate the complementary probability based on a poll where 49.9% of respondents believe Marilyn Monroe had an affair with JFK. This example teaches key probability concepts and shows how to find the likelihood of an event's complement. Suitable for Grades 6-8.

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