Multiple Choice Question

16. Historical birth rate data for Grenada has shown that on average 2 children are born per 25 seconds in the country. The probability then that at least 3 children are born in the next 25 seconds in the country is (a) 0.1804 (b) 0.8196 (c) 0.6767 (d) 0 3233 17. Historical birth rate data for Grenada has shown that on average 2 children are born per 25 seconds in the country The probability then that exactly 6 children are born in the next minute in the country is: (a) 0.0002 (b) 0.012 (c) 0.1398 (d) 0 1462 18 The WHO has estimated that about 10% of the world's population has immunity to a certain disease. They have also found that amongst those that have immunity, 60% of them are males, If 8 persons are being tested for the disease today at a certain clinic, then the probability that at most 3 of them have immunity to the disease is: (a) 0.0051 (b) 0.9949 (c) 0.033 (d) 0.1738 19. The WHO has estimated that about 10% of the world's population has immunity to a certain disease. They have also found that amongst those that have immunity, 60%. of them are males If 8 persons are being tested for the disease today at a certain clinic, then the probability that none of them are women with immunity to the disease is: (2) 0.0168 (b) 0.2786 (c) 0,6096 (d) 0.7214