Use the guidelines to evaluate the study. Discuss flaws that you see in the study. The principal of Laney High School interviews all the seniors at his school and asks them whether they have ever used drugs. The principal of Little Heath High School interviews all the seniors at her school and asks them whether they have ever used drugs. The results suggest that Laney has a lower rate of drug use. A researcher concludes that the counseling program available at Laney High School is effective in lowering drug use.
What will be an ideal response?
The setting will not encourage honest answers
There are confounding variables - there may be other differences between the two schools other than the counseling program
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Find the probability.A lottery game has balls numbered 1 through 21. What is the probability of selecting an even numbered ball or a 4?
A. 
B. 
C. 10
D. 
Factor the trinomial.2x2 - 5x - 12
A. (x - 3)(x - 4) B. (3x + 2)(x - 4) C. (x + 2)(x - 4) D. (2x + 3)(x - 4)
State the degree and leading coefficient of the polynomial function.f(x) = 16x4 - 5x + 5
A. Degree: 5; leading coefficient: 16 B. Degree: 6; leading coefficient: 16 C. Degree: 4; leading coefficient: 16 D. Degree: 16; leading coefficient: 4
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 1
B. 
C. 36
D. 