Answer:
1 hour and 8 minutes
Step-by-step explanation:
After travelling 1 hour you’ve reached 60 miles. So you go 1 mile/ minute.
You have then 8 miles left. You get: 8 minutes. Which gives us the answer:
1 hour and 8 minutes.
Answer:
The t distribution is used, because we have the standard deviation for the sample.
Step-by-step explanation:
When to use the z or the t distribution?
When we have the standard deviation for the population, we use the z distribution.
When we have the standard deviation for the sample, we use the t distribution.
In this question:
We have the standard deviation for the sample, which means that the t distribution is used.
Step-by-step explanation:


Answer:
C. x=13
Step-by-step explanation:
add the 13 to the -4 and you will get your 9
Answer:
1. There is a numerator and denominator. The numerator is the number on the top and the denominator is the number on the bottom.
2. A fraction is basically a portion of something. There are different methods of dividing, multiplying, adding, and subtracting fractions.