Given that 1 pound equals 16 ounces, how many pounds are in 116 ounces?
2 answers:
Answer:
Option (b) is correct.
There are 7.25 pounds in 116 ounces.
Step-by-step explanation:
Given : 1 pound equals 16 ounces.
We have to calculate the number of pounds in 116 ounces.
UNITARY METHOD is a method used to calculate the value of a single unit and then multiply it with the desired unit.
Since, given 16 ounces makes 1 pound
So, 1 ounces makes pounds
We have to find the number of pounds in 116 ounces.
So, 116 ounces makes pounds
Simplify,
Thus, There are 7.25 pounds in 116 ounces.
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Answer:
The sample statistics are attached.
First, we need to determine the hypothesis.
The null hypothesis should be: .
The alternative hypothesis should be:
The next step is about calculating the<em> t statistics </em>based on the samples. This <em>t test </em>will give the probability value or p-value, which determines if there's enough to reject the null hypothesis. The formula we need to use to find the t-value is:
Replacing all the values into the formula, we have:
Therefore, the t-value is -3.2.
Now, we using a level of significance of 0.01, and a degree of freedom (df) of 34, we use the t-table to find the p-value for this results. (df = N -1; in this case, we take the smaller sample, which is 35, giving us 34 of df).
Therefore, according to the table attached, <em>the p-value is less than 0.01,</em> which is less than our level of significance. This result means that the null hypothesis is rejected. In other words, there's enough evidence to say that <em>the life expectancy of people in Africa is less than the life of expectancy of people in Asia.</em>
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