Final answer:
To correctly test the hypothesis about birth week and movie preferences, option c is the most relevant and unbiased experiment, as it directly gathers data on other people's movie preferences without revealing your own.
Step-by-step explanation:
To test your hypothesis about whether people born in the same week as you prefer the same types of movies, the best experiment would be option c) Find other people born in the same week and ask them what their favorite type of movie is. This approach directly investigates the correlation between birth week and movie preferences without introducing bias. You are simply collecting data on their preferences without influencing them with your own. It is important in conducting a hypothesis test to keep the experiment unbiased and focused on the relationship you are exploring.