Answer:
40
Step-by-step explanation:
Answer:
The probability of a bulb lasting for at most 606 hours is 0.9032
Step-by-step explanation:
The mean lifetime of a bulb is 580 hours.
The standard deviation of the lifetime is 20 hours
We are supposed to find the probability of a bulb lasting for at most 606 hours i.e.
Formula :
Z=1.3
Refer the z table
Hence the probability of a bulb lasting for at most 606 hours is 0.9032
Answer:
3 is a right angle
Step-by-step explanation:
Answer:
RQP
Step-by-step explanation:
i think RQP(not sure)
Answer:
1400 divided by 5 = 280 times 10 = 2800.
Step-by-step explanation: