Ahoy there, matey! Our pirate ship had 5/6 of a treasure chest full of gold.
1 answer:
Answer:
1 teasure chests of gold
Step-by-step explanation:
Since this is a problem of adding or subtracting fractions, you will have to do one or the other to solve. Since the pirates already had of a treasure chest of gold and stole another
of a treasure chest to add to their collection, we need to add these two fractions:
In order to add or subtract fractions, you need to have a common denominator. Choosing a common denominator means looking for the lowest common multiple of the two denominators:
6: 6, 12, 18, 24
8: 8, 16, 24
Add them together:
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Answer:
The degrees of freedom are given by:
And the p value would be:
Since the p value is lower than the significance level we have enough evidence to conclude that the true mean for this case for the growth rate is less than 2cm per week
Step-by-step explanation:
Information given
represent the sample mean for the growth
represent the sample standard deviation
sample size
represent the value that we want to compare
represent the significance level
t would represent the statistic
represent the p value
System of hypothesis
We need to conduct a hypothesis in order to check if the true mean is less than 2cm per week, the system of hypothesis are :
Null hypothesis:
Alternative hypothesis:
Since we don't know the population deviation the statistic is given by:
(1)
Replacing the info given we got:
The degrees of freedom are given by:
And the p value would be:
Since the p value is lower than the significance level we have enough evidence to conclude that the true mean for this case for the growth rate is less than 2cm per week