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Suppose a sample of 400 participants was randomly selected from the middle schools and high schools in a large city. These participants responded to the question:

Which type of movie do you prefer to watch?

160 participants preferred action movies.
80 participants preferred drama movies.
40 participants preferred science-fiction movies.
240 participants were females.
78 female participants preferred drama movies.
32 male participants preferred science-fiction movies.
60 female participants preferred action movies.

Suppose a sample of 400 participants was randomly selected from the middle schools-example-1

1 Answer

1 vote

Answer:

8 (a=8)

Explanation:

40-32 = 8

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