Mathematics, 24.10.2019 06:43 ari8361
Astudy sampled 350 upperclassmen (group 1) and 250 underclassmen (group 2) at high schools around the city of portland. the study was performed at the end of the school year and asked each if they had used steroids at any point in the last school year. of the upperclassmen, 23 claimed to have used steroids in the last school year, and of the underclassmen, 21 claimed to have used steroids. run a 95% confidence interval to test for a significant difference in the proportions of students who used steroids. enter the confidence interval - round to 3 decimal places.
Answers: 3
Mathematics, 21.06.2019 12:30
If f(x) = 3-2x and g(x) =1/x+5 to what is the value (f/g)(8)
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Mathematics, 21.06.2019 18:30
Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?
Answers: 1
Mathematics, 21.06.2019 20:00
Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite
Answers: 3
Mathematics, 21.06.2019 23:40
The function f(x)= -(x+5)(x+1) is down. what is the range of the function?
Answers: 3
Astudy sampled 350 upperclassmen (group 1) and 250 underclassmen (group 2) at high schools around th...
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