Ramsay cuts out a piece from a circular cardboard for a school project. The radius of the cardboard is 10 inches and the measure
of the central angle is 54 degrees, as shown.
What is the length of the curved boundary of the piece of the cardboard Ramsay cuts out?
Leave in terms of π.
What is the length of the curved boundary of the piece of the cardboard Ramsay cuts out?
Leave in terms of π.
1 answer:
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Answer: 1308
Step-by-step explanation:
Given : Level of confidence = 0.97
Significance level :
Critical value :
Margin of error :
If prior proportion of population is unknown , then the formula to find the population proportion is given by :-
Hence, the minimum sample size needed =1308