Compute a P-value for the right-tail test in Example 9.25 on p. 272 and state your conclusion about a significant increase in the number of concurrent users. Example 9.25 (Z-test about a population...

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Answered Same DayDec 25, 2021

Answer To: Compute a P-value for the right-tail test in Example 9.25 on p. 272 and state your conclusion about...

Robert answered on Dec 25 2021
129 Votes
Test: µ > 5000 with normal distn
Hypothesis test:
H0 : µ ≤ 5000 (Null Hypothesis, H0 : µ = 5000 is
also correct)
Ha : µ > 5000 (Alternative Hypothesis, also called H1)
This is upper tailed test (one tailed test).
x = 5200
σ = 800
n = 100
Significance Level, α = 0.05
Test statistic z? = x− µ
σ/

n
Test Statistic, z? = 5200− 5000
800/

100
=...
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