Quiz 5 (Prequiz) Probability - Introduction to Statistics...

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PreQuiz 5 - Probability Name___________________________________ Date _______________________ SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Find the indicated probability. 1) If a person is randomly selected, find the probability that his or her birthday is in May. Ignore leap years. 2) A survey resulted in the sample data in the given table. If one of the survey respondents is randomly selected, find the probability of getting someone who lives in a flat. Type of accommodation Number House 333 Flat 306 Apartment 447 Other 618 Find the indicated probability by using the special addition rule. 3) The age distribution of students at a community college is given below. Age (years) Number of students (f) Under 21 407 21 - 25 406 26 - 30 206 31 - 35 59 Over 35 28 1106 A student from the community college is selected at random. Find the probability that the student is between 26 and 35 inclusive. Round approximations to three decimal places. 4) The age distribution of students at a community college is given below. Age (years) Number of students (f) Under 21 411 21 - 25 418 26 - 30 218 31 - 35 56 Over 35 20 1123 A student from the community college is selected at random. Find the probability that the student is at least 31. Round approximations to three decimal places. 1
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This note was uploaded on 02/03/2012 for the course MATH 101 taught by Professor Lee during the Spring '11 term at International Institute for Higher Education.

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Quiz 5 (Prequiz) Probability - Introduction to Statistics...

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