An article in the journal of sports science (1987, vol. 5, pp. 261-271) presents the results of an investigation of the hemoglobin level of canadian olympic ice hockey players. a random sample of 20 players is selected and the hemoglobin level is measured. the resulting sample mean and standard deviation(g/dl) are and use this information to calculate a 95% two-sided confidence interval on the mean hemoglobin level and a 95% two-sided confidence interval on the variance. assume the data are normally distributed.

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we know that

major arc is defined as the bigger arc connecting two points on the edge of a circle. measure of major arc is always more than ° or π radian

in this problem

the mayor arc is bac

find the ratio of the measure of the major arc to the measure of the minor arc

therefore

the answer is the option