Deborah has two paintings in her portfolio and paints three more each week.Kai has twelve paintings in her portfolio and paints
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Given
Solving (a); Point estimate of mean
To do this, we simply calculate the sample mean
Solving (b); Point estimate of standard deviation
To do this, we simply calculate the sample standard deviation
<em>Note that: The sample mean and the sample standard deviation are the best point estimators for the mean and the standard deviation, respectively.</em>
<em>Hence, the need to solve for sample mean and sample standard deviation</em>
<u>The total </u><u>labor cost</u><u> of the carpenters is $2296.91</u>
The carpenters worked
Let's convert the mixed fraction to improper fraction
So, we would have
- 63/4,
- 61/4,
- 35/2,
- 25/2
- 35/2.
Let's sum it up and multiply by the working cost per hour
- The total labor cost is = total hours worked * hourly rate.
This becomes
<u>The total labor cost is $2296.91</u>
Learn more about rate here;