Mathematics, 12.02.2021 19:30 keely6940
5. A student conducted a survey of the 750 seventh graders in her school. She found
that 2 out of 5 students in the seventh grade class preferred vanilla cupcakes over
chocolate. Based on this information, how many students in the seventh grade class
preferred vanilla cupcakes over chocolate?
Answers: 1
Mathematics, 21.06.2019 14:50
What is the square root of 45? (step by step working plz)
Answers: 1
Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
5. A student conducted a survey of the 750 seventh graders in her school. She found
that 2 out of 5...
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