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Answer:
Therefore we fail to reject the Null hypothesis
Because the is no sufficient evidence to support the claim of the alternative hypothesis
Step-by-step explanation:
From the question we are told that
Sample size
Mean time 1
Mean time 2
Standard deviation
Standard deviation
Level of significance 0.05
The null hypothesis is
Alternative hypothesis
Generally the test statistics is mathematically represented as
From Table the Z-critical value at
Therefore
Zcal> Zcritical
(-0.43)=(-1.645)
Generally we fail to reject the null hypothesis at
Therefore we fail to reject the
Because the is no sufficient evidence to support the claim of
