Mathematics, 09.06.2021 02:20 Blakemiller2020
A researcher posts an online advertisement offering $25 in exchange for participation in a short study. The researcher accepts the first 10 people who respond to the advertisement. Which of the following statements is true about the sample? (1 point)
a
It is not a valid sample because it is only a short study.
b
It is a valid sample because money was offered to participants.
c
It is a valid sample because the first 10 people were selected to participate.
d
It is not a valid sample because it is not a random sample of the population.
Answers: 3
Mathematics, 21.06.2019 16:20
Two positive integers are 3 units apart on a number line. their product is 108. which equation can be used to solve for m, the greater integer? m(m β 3) = 108 m(m + 3) = 108 (m + 3)(m β 3) = 108 (m β 12)(m β 9) = 108
Answers: 1
Mathematics, 21.06.2019 19:00
Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93
Answers: 2
Mathematics, 21.06.2019 22:10
In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2
Answers: 3
A researcher posts an online advertisement offering $25 in exchange for participation in a short stu...
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