From group of 40 people a jury of 12 people is selected. in, Ask an Expert

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Q1) Area code comprises of 3 digits. How many area codes are possible if:

(a) There are no restrictions

(b) The first digit cannot be a 1 or 0

(c) Find out the probability of choosing an area code at random that ends in the odd number if first digit cannot be 1 or 0?

Q2) To conduct the Experimental,4 subjects are randomly chosen from a group of 20 subjects. How many different groups of four subjects are possible?

From Group of 40 People, a jury of 12 people is selected. In how many various ways can a jury of 12 people be selected?

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Category:- Statistics and Probability
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