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2 answers:
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Answer:
Step-by-step explanation:
Because the initial temperature is 40 degrees and it increases by 10, add the two values together to get the final temperature.
40 + 10 = 50
Therefore, the final answer is 50 degrees.
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
Hope this answer is helpful. It is not x+5. It is x-5.
