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sbanoali6120
27.04.2021 •
Mathematics
A radio station plays 24 minutes of music out of every 30 minutes. Write two ratios that are equivalent to the ratio 24/30
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Ответ:
Ответ:
Step-by-step explanation:
The alternative hypothesis is the opposite of the null hypothesis
The hypothesis to be tested would be that "there is no difference between the mean number of unpopped kernels from the freezer method and the counter method.
For the null hypothesis,
H0 : μf ≤ μc H0 : μf - μc ≤ 0
The alternative hypothesis is
H1 : μf > μc H1 : μf - μc > 0
Where
f represents the freezer method
c represents the counter method
From the alternative hypothesis, adding μc to both sides of the inequality, it becomes
μf > μc
Therefore, the correct option is
b. μ(freezer) > μ(counter)