Respuesta :
The conclusion can be drawn from fee increase ranges from 75% to 85% in option C which is the interval estimate above 70%, so infer that it will be supported.
Interval estimation, in measurements, is the assessment of a boundary — for instance, the mean (normal) — of a populace by processing a stretch, or scope of values, inside which the boundary is probably going to be found. Spans are normally picked to such an extent that the boundary falls inside with a 95 or 99 percent likelihood, called the certainty coefficient. Subsequently, the spans are called confidence intervals; the endpoints of such a span are called upper and lower certainty limits.
The interval containing a population parameter is laid out by working out that measurement from values estimated on an irregular example taken from the populace and by applying the information (got from the probability theory) of the constancy with which the properties of an example address those of the whole populace.
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