Mathematics, 28.11.2019 02:31, cdraytonn
Are parents of girls more inclined to buy them a car when they leave for college than parents of boys? simple random samples of 40 girls and 45 boys are taken from a large university on the west coast. when interviewed, 20 girls and 21 boys in the sample responded that their parents bought them a car. what is a 95% plus four confidence interval for the difference in population proportions of girls and boys whose parents bought a car for them when they left for college? use girls as group 1 and
Answers: 2
Mathematics, 21.06.2019 18:00, brooke0713
Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?
Answers: 2
Mathematics, 21.06.2019 21:00, moneybaggzay123
X+y=-4 x-y=2 use elimination with adding and subtraction
Answers: 3
Are parents of girls more inclined to buy them a car when they leave for college than parents of boy...
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