Mathematics, 12.03.2020 05:38 imran2k13
A survey was conducted among 400 students of age groups 7β12 years and 13β18 years to find their favorite music genre. The students had to select any one genre out of jazz, rock, and pop. Out of the 200 students in the age group 7β12 years who participated in the survey, 142 liked rock or pop music. The total number of students of both age groups who liked jazz was 72.
Using a two-way table, compute the total number of students in the age group 13β18 years who liked rock or pop music. (5 points)
Answers: 3
Mathematics, 21.06.2019 20:10
60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?
Answers: 2
Mathematics, 21.06.2019 21:30
Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?
Answers: 1
Mathematics, 21.06.2019 22:30
What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?
Answers: 1
A survey was conducted among 400 students of age groups 7β12 years and 13β18 years to find their fav...
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