Ways to select jury of twelve people

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Reference no: EM1313308

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?

Reference no: EM1313308

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