Gueston no- 8 :- class has bo%. boys and 40% qirls and If the probability of getting first class of girl is and that 0-25, then fincd the probabiltly of Yandomly chosen student getting first class is boy a of a boy getting first class 0.30 is girl. or a a

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.