## statistics , question 5, grade 10

5) After a survey done on the ages of 50 children on their first day at a scouts’ camp, the results were shown in the following table: Ages 7 9 10 12 Total n0” of…Read More

5) After a survey done on the ages of 50 children on their first day at a scouts’ camp, the results were shown in the following table: Ages 7 9 10 12 Total n0” of…Read More

4) Consider the statistical table showing the number of articles written by 50 journalists thru 10 days: xi 2 5 7 10 a total ni 5 10 10 b 12 50 I.C.F. Specify the population…Read More

In an orthonormal system of axes : Plot the points : A(0,3), B(1,-1), and C(3,2) Find the coordinates x and y of a point M knowing that : Let F be the midpoint of [BC],…Read More

In a coordinate system ,the following questions are independent: Consider: M(x,y), A(2,-1), E(3,0) and I(0,1); Calculate x and y Knowing that I is the centroid of triangle MEA. Given : K(n2-1,3) , F(0,1) and G(4,5).…Read More

where a<0 and b < 0 Simplify E. Solve E > 0 . Read More

Simplify each of A and B. Deduce that A x B=3Read More

Verify that (2x2-1)(x+2)=2x3+4x2-x-2. , find cos a if E=0 knowing that 90<a<180Read More

Given : 1<x<4 , -8<y<-5 and -4<m<3 Compare x2 and y2 then compare Bound :Read More

In a class of 20 students, 2 students don’t play any of the mentioned games, basketball or football ; while 15 students play football, and 9 students play basketball. Use a Venn diagram to show…Read More