Answer:
6
Step-by-step explanation:
If we ask 500 individuals whether they have credit card and if we consider the probability of people having a credit card being normally distributed, then we assume that, considering 30% do not have a credit card, everyone who is within 1SD of the mean will have a credit card, while the remaining ~15% on either tail of the distribution do not.
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Answer:
Y=10x-250
Step-by-step explanation:
We can treat this problem like we are attempting to graph a line from 2 points (hopefully you know how to do that)
the two points are (40,150)(55,300)
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