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a reporter determines a baseball players batting average, which is a ratio of number of hits to numbers of times at bats. the results is shown on a calculator as 0.2121. how many hits would the player be expected to get in 200 at bats? explaire

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music. they were asked how they like three types of music: rock, country western and jazz. the results are summarized below: no one dislikes all three types of music. six like all three types of music. eleven don’t like country western. sixteen like jazz. three like country western and jazz, but not rock. six don’t like rock. eight like rock and country western. seven don’t like jazz. how many students were surveyed?