For this case we must find
By definition we have to:
We have the following functions:
Now, applying the given definition, we have:
Answer:
Martin offers a better deal because you only have to pay 48 dollars unlike with Danny where you have to pay 105 dollars just for a 3 hr. lesson.
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
-For a known standard deviation, the sample size for a desired margin of error is calculated using the formula:
Where:
- is the standard deviation
- is the desired margin of error.
We substitute our given values to calculate the sample size:
Hence, the smallest desired sample size is 23