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nickthequick
19.11.2019 •
Mathematics
Your claim results in the following alternative hypothesis: ha : p ≠ 82% which you test at a significance level of α = .05 . find the positive critical value, to three decimal places.
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Ответ:
1.960
Step-by-step explanation:
Given : Alternative hypothesis : Ha : p ≠ 82%
The hypothesis test depends on the alternative hypothesis .
Since, alternative is two-tailed, so the test is a two-tailed z-test.
[For proportion we perform z-test.]
Significance level :![\alpha=0.05](/tpl/images/0381/5663/bf34f.png)
By using standard normal z-value table,
Critical value (two tailed)=![z_{\alpha/2}=z_{0.05/2}=z_{0.025}=\pm1.959964\approx\pm1.960](/tpl/images/0381/5663/9968b.png)
Hence, the positive critical value = 1.960
Ответ:
f(x) = 6 (1 - x)
f(-8) = 6 (1 - (-8))
f(-8) = 6 (9)
f(-8) = 54
Hope this helps!