mu = 1100 = population mean
sigma = 275 = population standard deviation
x = 1400 = raw score
z = z score
z = (x-mu)/sigma
z = (1400-1100)/(275)
z = 300/275
z = 1.0909090909091 approximately
z = 1.09
Convention is to round to two decimal places so that you can use a Z table to look up the area under the curve (which helps determine probability).
The positive z score is due to Paula's raw score being above the mean.
Answer:
(2x-3)(-3+2x),(16-x^2)(x²-16),4y^2+25)(25+4y^2)
Step-by-step explanation:
I know that the rest of the products didn't make a perfect square cause they don´t aren´t squared,I also know that they are the odd ones out among the rest of the product so yeah,I am not too sure if I got it right...sorry if I didn´t.
15
Step-by-step explanation:
A negative number being subtracted makes it positive
5 - -10
5+10 =15
Answer:
A
Step-by-step explanation:
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Cube root 0.216 to get your answer
(Note: This makes sense if you know the volume of a cube is the same value multiplied together 3 times)
The answer is option A 0.6 m
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- Ally ✧
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