Answer:
C
Step-by-step explanation:
in the quadratic equation: ax^2+bx+c,
in order to factor when a=1, then we need to find values that add to b and multiply to c.
I would go with the answer B
The probability of making a type II error is given by one minus the power of the hypothesis test.
In general for the alternative hypothesis ,

The power of a hypothesis test is given by:

The probability of <span>making a type ii error when μ = 31,000 is given by

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