Mathematics, 29.01.2021 16:50 winterblanco
Exercise 1.59 introduced a study on cat videos, in which people who clicked on the link were asked questions regarding their mood before and after the most recent time they watched a cat video. Overall, participants reported that after watching a cat video they had significantly more energy, fewer negative emotions, and more positive emotions. Can we conclude from this study that watching cat videos increases energy and improves emotional state?
Answers: 3
Mathematics, 21.06.2019 18:20
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 21.06.2019 20:00
Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line
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Mathematics, 21.06.2019 21:30
Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?
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Mathematics, 21.06.2019 21:40
Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is
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Exercise 1.59 introduced a study on cat videos, in which people who clicked on the link were asked q...
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