What method can researchers employ in order to counter bias in their sampling?

a. snowball sampling

b. weighting

c. convenience sample

d. non-random surveying

Find f (-10). f (x) = 7x - 5 A) - 75 B) - 65 C) 65 D) 90 I chose a is that correct

A worker takes a random sample of 150 bolts and finds that 18 of them are either too long or too short, thus making them unusable. Estimate the number of unusable bolts in a production of 11,000 bolts. 1,320 bolts 860 bolts 340 bolts 450 bolts

Molly earned $12 per hour babysitting. She babysat for 9 hours over the weekend. Then she earned another $85 cleaning her aunt 's house. How much money did molly earn in all?

What is the Value of X? 8 10 13 20

What function grows at the fastest rate for increasing values of x? a. f (x) = 10x + 4 b. g (x) = 5x^2-1 c. h (x) = 7^x

What is the decimal equivalent of 1/3

What multiplication fact could you use to find a number that can be divided evenly by 8 and9?

If ∠A, and ∠B, are complementary angles and if m∠A = 4x-8 and∠B = 2x + 2, what is value of X?

The area of a rectangle is 96 square feet. The ratio of the width to the length is 2:3. The width of the rectangle is how many feet?

How many 1-in cubes can fit into a 2by 4 by by 2 in prism?