I think it should be x(ax +b) + c. Not sure though.
Nine hundred and seventeen point twenty seven
To find the margin of error, multiply the z-score by the standard deviation, then divide by the square root of the sample size.The z*-score for a 90% confidence level is 1.645.The margin of error is 0.20.The confidence interval is 48.3 to 48.7.48.8 is not within the confidence interval.
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Answer: 2.
Step-by-step explanation: Both lines intersect each other 2 times.
