Course Contents. Assignment 1 Q12 The executive of an organization is to be sele

Question

Course Contents. Assignment 1 Q12 The executive of an organization is to be selected from a group of 8 males and 10 females. a) How many ways are there to choose the president and secretary? Incorrect 40 Correct: 306 Incorrect 153 Incorrect 80 You are correct. Your receipt no. is 160-7536 b) How many ways are there to have a female president and a male secretary? Incorrect 153 Incorrect 306 Correct: 80 Incorrect 40 You are correct. Your receipt no. is 160-35 c) What is the probablity that a randomly chosen president is female and a randomly chosen secretary is male? 0.13 0.5 0.26 0.52 Submit Answer. Incorrect. Tries 1/2 Previous Tries d) How may ways are there to choose a president, secretary and treasurer? Incorrect 816 Incorrect 640 Incorrect 800 Correct: 4896 ou are correct. Your receipt no. is 160-3677 Previous Tries ways are there to choose a president, secretary and treasurer so that two are male and one is female? e) How many 1680 280 840 0 560 Submit Answer In Tries 1/2 Previous Tries

Explanation / Answer

Answer:

18P2= 306

c). P= (8C1)*(10C1)/ 306 = 0.26

Answer: 0.26

3).

Selection 2 males and 1 female is 8C2 *10c1 = 280 ways

Assigning the three positions is 3P3 ways = 6 ways.

The required number is 6*280 = 1680

Answer: 1680

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