Let X be a random variable representing the weight of a pack of cookies.
P(X < 250) = P(z < (250 - 255)/2.5) = P(z < -5/2.5) = P(z < -2) = 1 - P(z < 2) = 1 - 0.97725 = 0.02275 = 2.3%
Therefore, we conclude that about 2.3% of the packs weighed less than 250 grams.
Answer:
Expand the following expression
(3x+1)(x-4) = 3x^2-12x+x-4
middle term = -11x
Answer:
The area will be 834.38
Step-by-step explanation:
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