1. Add: 85 + (-96) * 2. Subtract: -7 – 4 * 3. Multiply: 7(-12) * 4. Divide: 6÷ (-18) *
2 answers:
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Answer:
Step-by-step explanation:
The pdf of X is given by 3e^x(1-e^-2y). Please check the screenshot for the workings.
The pdf of Y is given by 6e^-2y. Please check the screenshot for the workings.
The expected time the device fails is the expected time Y fails, so we are going to find the expected time of Y which equals to 0.83.
Please check the screenshop for the workings. Thanks
