Find the probability of being below 514 if the mean of a normal distribution is 474 and the standard deviation is 32.
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Hi there!
We can use the discriminant of the quadratic formula to find the number of real solutions to this (or any other quadratic) equation.
The discriminant can be found by plugging in the data from the equation into the following formula:
When we fill in the data from the question we get
Since d < 0 the equation has zero real solutions.
We can use the discriminant of the quadratic formula to find the number of real solutions to this (or any other quadratic) equation.
The discriminant can be found by plugging in the data from the equation into the following formula:
When we fill in the data from the question we get
Since d < 0 the equation has zero real solutions.