Answer: 0.55567
Step-by-step explanation:
Given : A certain brand of refrigerator has a useful life that is normally distributed with mean 10 years and standard deviation 3 years. The useful lives of these refrigerators are independent.
i.e.
Let and are two randomly selected refrigerator's life whose sum will exceed third selected refrigerator .
So that,
Mean
Standard deviation =
Z-score :
Now , The probability that the total useful life of two(i..e n=2) randomly selected refrigerators will exceed 1.9 times the useful life of a third randomly selected refrigerator would be :-
Hence, the required probability is 0.55567.
Answer:
The lines will cross at (5,3)
Step-by-step explanation:
Answer:
(B) an update from the bank when an account balance is less than $50
Step-by-step explanation:
overdraft occurs when money is withdrawn in excess of what is on the current account. In this situation the account is said to be "overdrawn". This applies to debit cards and how much you have on your balance :)
Answer:
D. 1000 meters
Step-by-step explanation:
(39370 in)/(39.37 in/m) = (39.37×1000)/(39.37) m = 1000 m
Answer:
its b, and why does everyone want brainllest
Step-by-step explanation: