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MAVERICK [17]
3 years ago
7

18 months is the same as 1.5 years.

Mathematics
1 answer:
creativ13 [48]3 years ago
7 0
One year has 12 months therefore...

18/12 = 1 6/12 = 1 1/2

1 1/2 is equivalent to 1.5

True
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The cost of tuition at a community college is $12,000 per academic year. Alejandro is eligible for $7,500 in financial aid, and
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Step-by-step explanation:

To solve this problem, we run a hypothesis test about the population proportion.

$$Sample proportion: $\bar P=0.47\\Sample size n=100$\\Significance level \alpha=0.10$\\(Left tail test) Z_{1-\alpha}=Z_{0.90}=-1.28155$\\(Right tail test) Z_{\alpha}=Z_{0.1}=1.28155$\\(Two-tailed test) $Z_{1-\alpha/2}=Z_{0.95}=-1.64485$ and $ Z_{\alpha/2}=Z_{0.05}=1.64485\\\\

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H_0:\pi_0=0.35\\H_a:\pi_0 > 0.35\\\\$Proportion in the null hypothesis is:\\\pi_0=0.35\\\\

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5 0
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