The daily mileage of delivery trucks follows a Normal Distribution with a mean of 120 and a standard deviation of 18. Find the probability that a randomly selected delivery truck has a daily mileage between 150 and 156

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?