Grace surveys moviegoers as they exit the theater and asks them to give the movie that they just saw a “thumbs-down” rating. She records the answer and the person’s gender. Survey

Thumbs-Up
Male - 28
Female - 40

Thumbs-Down
Male - 22
Female - 18

What is the probability that one of Grace’s survey respondents is male?
What is the probability that one of Grace’s survey respondents has indicated a thumbs-down?
What is the probability that one of Grace’s survey respondents has either indicated a thumbs-up or is male?
What is the probability that one of Grace’s survey respondents has either indicated a thumbs-down or is female?
What is the probability that one of Grace’s survey respondents has indicated a thumbs-up?
What is the probability that one of the thumbs-up respondents is female?