Mathematics, 13.01.2021 05:40 patrickwilson
Kaitlin's survey of 850 high school students asked how many hours per day they spent using social media. The mean was xbar=3.67 hours and the standard deviation was 1.19 hours.
a) What percentage of surveyed students used social media services between 3 and 4 hours per day?;
b) How many hours per day did students in the 75th percentile use social media services?
Answers: 2
Mathematics, 21.06.2019 20:00, nails4life324
Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?
Answers: 2
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