Find the sum −1/2(7z+4)+15(5z−15)
2 answers:
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Answer:
std dev = 0.625
Step-by-step explanation:
Given that weights of bags of potato chips coming from a factory follow a normal distribution with mean 12.8 ounces and standard deviation .6 ounces.
We must change std deviation such that
P(X<12) =0.01
Mean would remain the same as 12.8 oz
From normal distribution score we can find
10th percentile is -1.28\
i.e. we must have
Std deviation should be 0.625
Let the first number be x and second number be y.
+ (3-2y) = 129
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I believe this is what your looking for.
For further help, Please ask!
And if you think I helped, Mark as the brainliest! Thankyou!