Answer:
10 is equal or less than (sign that opens up to the right with line underneath) j+5
The variance of a constant is zero. Rule 2. Adding a constant value, c, to a random variable does not change the variance, because the expectation (mean) increases by the same amount. ... Multiplying a random variable by a constant increases the variance by the square of the constant.
Answer:
-14 degrees Celsius
The temperature would be -14 degrees Celsius. 2 - 12 would be -14.