4x^2/3yz^9
Mark brainliest please
Hope this helps you
Answer:
the probability that system’s failure is due to the radio =
Step-by-step explanation:
From the question given;
Let the mean lifetime of the radio and the mean lifetime of the speaker
we can re-write both expressions as:
and
Let consider to be the variables which are independent to the exponentially distributed mean of
∴
replace the values now; we have:
Thus, the probability that system’s failure is due to the radio =
Answer:
c
Step-by-step explanation:
The answer is 6%
47,700-45,000=2700
2700/45000=0.06
0.06x100= 6%
75% of 60
OF MEANS times
75/100 * 60
180/4
45
the answer is 45