In: Statistics and Probability
8
Perform the indicated test of hypotheses, based on the
information given.
Test H0:μ=105H0:μ=105 vs. Ha:μ>105Ha:μ>105...
8
Perform the indicated test of hypotheses, based on the
information given.
- Test H0:μ=105H0:μ=105 vs. Ha:μ>105Ha:μ>105 @
α=0.05α=0.05, σ unknown, n = 30, x⎯⎯=108x-=108,
s = 7.2
- Test H0:μ=21.6H0:μ=21.6 vs. Ha:μ<21.6Ha:μ<21.6 @
α=0.01α=0.01, σ unknown, n = 78, x⎯⎯=20.5x-=20.5,
s = 3.9
- Test H0:μ=−375H0:μ=−375 vs. Ha:μ≠−375Ha:μ≠−375 @ α=0.01α=0.01,
σ = 18.5, n = 31, x⎯⎯=−388x-=−388, s =
18.0