Answer:
The last one is your answer :))
Step-by-step explanation:
A =adults
s= students
so is a/s or a:s
Answer: The stack of money it cost to build the Burj Khalifa very suprisingly.
Step-by-step explanation:
a. Let be a random variable representing the weight of a ball bearing selected at random. We're told that , so
where . This probability is approximately
b. Let be a random variable representing the weight of the -th ball that is selected, and let be the mean of these 4 weights,
The sum of normally distributed random variables is a random variable that also follows a normal distribution,
so that
Then
c. Same as (b).
I honestly would of have said its a 50/ 50 chance but I think it all depends on the gene.... hope this helps