math extended response sample questions

Which of the following extends endlessly in both directions? => a point or a line or a ray or a line segment..

A business school conducted a survey of companies in its state. They mailed questionnaire to different companies. Choose the matrix which shows the information. Small companies (S) : Response 240, No Response 160. Medium sized companies (M): Response 200, No Respo..

A business school conducted a survey of companies in its state. They mailed a questionnaire to different companies. Choose the matrix which displays the following information: Small companies (S) : Response 60, No Response 40. Medium sized companies (M): Response 50, N..

Sunny wants to buy a computer. He can choose between a standard , extended or adjustable keyboard and between a 15" or 17" color monitor. Use a tree diagram and find the probability of choosing an extended keyboard and 15" color monitor. => 1 / 3 or 1 / 4 or 1 / 2 or..

Two lines on a plane that never cross each other, even if they are extended, are called _______ . => parallel lines or perpendicular lines or opposite edges of a table or arms of an angle..

The sides of a regular octagon are extended to form 8 congruent triangles. What is the best description of these triangles? => equilateral triangles or isosceles triangle of vertex angle 60 or isosceles triangle of vertex angle 36 or isosceles rigt triangles..

Three coins are tossed. Write the number of elements in the sample space. => 4 or 6 or 2 or 8..

What formula is used to gain information about a sample mean when the variable is normally distributed or when the sample size is 30 or more? => z = X - μ σ or z = X ‾ - μ σ n or z = X ‾ - μ σ n or z = X - μ σ..

Which of the following is a property of sampling distribution? I. Mean of sampling distribution equals population mean. II. Sample mean comes closer to population mean than any other unbiased mean. III. As sample size increases, variation of sample ..

What is the work done, when a spring is extended 4 cm from its natural length with a force 4000 newtons? => 800 newton-meters or 40 newton-cm or 4000 newton-meters or 400 newton-cm or 8000 newton-cm..