Answer:
-5
Step-by-step explanation:
7−2−10
=5−10
=-5
Answer:
So we use the t-distribution to compute a confidence interval for the average age of people using online dating services
Step-by-step explanation:
Confidence interval for a mean.
We have to decide between the t-distribution and the z-distribution.
T-distribution: We use the sample standard deviation.
Z-distribution: We use the population standard deviation.
In this problem:
The average age of those that were using online dating services was 35 years old with a sample standard deviation of 12 years.
So we use the t-distribution to compute a confidence interval for the average age of people using online dating services
Answer:
If A is wrong then B I think
Step-by-step explanation:
Answer:
3 boxes
Step-by-step explanation:
because 3 times 9 is 27.
Answer:
b
Step-by-step explanation:
