Mathematics
Mathematics, 07.03.2020 04:00, PinkDivaGirl02

A survey of 90 students from a high school is conducted. From this sample, it is found that 69 students have sent a text message on their smartphone at least once today, 38 have uploaded at least one "selfie" on their smartphone today, and 22 have done both. Text Message Have Not Sent a Text Message Total Have Taken a Selfie 22 38 Have Not Taken a Selfie Total 69 90 Complete the rest of the two-way frequency table above. Part A: How many students have neither sent a text message nor taken a selfie today? Explain your answer using complete sentences. (2 points) Part B: What percentage of students in the school (rounded to the nearest whole percent) have sent a text message or have taken a selfie at least once today? Show your work or explain your answer using complete sentences. (2 points)

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A survey of 90 students from a high school is conducted. From this sample, it is found that 69 stude...

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