What, is there a question or no?
Answer:
For the given explanation we see that two life times are not independent
Step-by-step explanation:
probability for X (for x≥ 0)
e⁻ˣ
Probability for X exceed 3
= 
= 
= 
probabilty for y≥ 0 is
Answer:
Option D. statistical inference
Step-by-step explanation:
We are given the following situation in the question:
"A statistics professor asked students in a class their ages. On the basis of this information, the professor states that the average age of all the students in the university is 21 years."
This is a n example of statistical Inference.
- Statistical inference is the procedure of making inference or estimating parameters of a population with the help of test statistics.
- In the given situation the university students are the population and the students of a particular class are sample.
- The professor with the help of sample statistic (mean age of students in class) approximated the mean age of students in the university.
Answer: i explained
Step-by-step explanation: Just do
8 times 11 = *your answer*
then
*your answer* times/subtract/divided by 108
