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levicorey846
03.11.2020 •
Mathematics
What is the Least common multiple Of 6 and 7
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Ответ:
42
Step-by-step explanation:
Ответ:
Now we can calculate the p value with this probability:
Since the p value is lower than the significance level of 0.05 we have enough evidence to reject the null hypothesis and we can conclude that the true mean is significantly different from 28 at 5% of significance.
Step-by-step explanation:
Information given
z would represent the statistic
System of hypothesis
We want to verify if the mean blood cell volume is different from 28 ml/kg the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
Since we know the population deviation we can use the following statistic:
Replacing the info given we got:
Now we can calculate the p value with this probability:
Since the p value is lower than the significance level of 0.05 we have enough evidence to reject the null hypothesis and we can conclude that the true mean is significanctly different from 28 at 5% of significance.