t1a oct 2008 - Test 1a Math 1P98 Oct 3 2008 5:15-6:15 Name....

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Test 1a Math 1P98 Oct 3 2008 5:15-6:15 Name……………………………………………………. . Box number ………. A non graphing calculator, one that shows only two lines of display and not a list function may be used. Also a half piece of paper handwritten on both sides may be brought to the test. Use at least 3 significant digits in the answer and include units where applicable. Good luck! …………………………………………………………………………………………… 1. The probability a person in Ontario has bought a product labeled ‘organic’ this year is 0.4. Consider a random sample of 10 people from Ontario. a. (3marks) Find the probability that exactly 9 have bought organic products. b. (3 marks) Find the probability at least 9 have bought organic products. c. ( 2 marks) Find the expected value and standard deviation of the number of people buying organic products. 2. (2 marks) On a street there are stop lights that are not coordinated. On this street the probability that a light will be red is 0.3. Find the probability that the first light to go red is at the 4 th set of lights. (Show the formula)
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Name: Student Number: 3. (4 marks) There are 4 routes from town to another; a toll road, a highway, a county road and a scenic route. The number of km and the probability a person takes one of these routes is shown below. Consider a random driver. Toll road
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This note was uploaded on 11/04/2011 for the course MATH Math 1P98 taught by Professor D.miners during the Fall '11 term at Brock University.

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t1a oct 2008 - Test 1a Math 1P98 Oct 3 2008 5:15-6:15 Name....

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