What is –9.2(8x – 4) + 0.7(2 + 6.3x) simplified? A:–69.19x – 32.39 B:–69.19x + 38.2 C:–72.2x + 41.21 D:75x – 338.2
2 answers:
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Answer:
C.It is a one-tailed test since the alternative hypothesis states that the parameter is greater than the hypothesized value.
Step-by-step explanation:
Let p be the percentage of students enrolled in an introductory Chemistry class dropped before the midterm. Then null and alternative hypotheses are:
: p=10%
: p>10%
The alternative hypothesis states that the parameter is greater than the hypothesized value.