MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Transcription

1 Exam # Extra Practice Problems, Math 00, Professor Wilson MULTIPLE CHOICE Choose the one alternative that best completes the statement or answers the question The table below shows Joe's golf scores from Saturday Golf Score Frequency 8 2 ) Joe's average golf score on Saturday was ) A) 2 B) C) D) 2) Joe's median golf score on Saturday was 2) A) 2 B) C) D) ) The first quartile of golf scores is ) A) B) C) 2 D) ) The third quartile of golf scores is ) A) 6 B) 6 C) D) ) The range of golf scores was ) A) B) 9 C) 8 D) 0

2 The table below shows the scores of a group of students on a 0 point multiple choice placement test Exam Score Frequency 2 6 6) The average score on the test is 6) A) 6 B) C) D) 6 ) The median score on the test is ) A) B) 6 C) 6 D) 8) The first quartile on the test is 8) A) B) C) D) 9) The third quartile on the test is 9) A) B) C) 6 D) 8 0) The range on the test is 0) A) 8 B) C) 9 D) 0 2

3 Use the data set {-00, -99, -98,, -2, -} to answer the following question(s) ) The data set has a mean of ) A) -9 B) - C) -0 D) -0 2) The data set has a median of 2) A) -9 B) -0 C) - D) -0 Use the data set {-2, -,, 8} to answer the following question(s) ) The mean of the data set is ) A) B) C) 02 D) ) The median of the data set is ) A) - B) 2 C) -0 D) 0 ) The standard deviation of the data set is ) A) B) 0 C) 90 D) 8 Use the data set {d, d2, d,, d2} consisting of 2 numbers to answer the following question(s) 6) After sorting the data set (in increasing order from left to right), the median is 6) A) the number in the 26th position B) the sum of all the numbers divided by 2 C) the number in the 2th position D) the average of the numbers in the 2th and 26th positions

4 Use the data set {d, d2, d,, d2} consisting of 2 numbers to answer the following question(s) ) After sorting the data set (in increasing order from left to right), the median is ) A) the sum of all the numbers divided by 2 B) the number in the 2th position C) the number in the 28th position D) the average of the numbers in the 2th and 28th positions Use the data set {0,,, 8,, 6} to answer the following question(s) 8) The standard deviation of the data set is 8) A) 2 B) 266 C) 229 D) 2 Use the frequency table below to answer the following question(s) Data Value Frequency 2 8 9) The standard deviation of this data set is 9) A) B) 8 C) 22 D) 2 A pair of honest dice is rolled, and the number on each die is noted 20) How many different outcomes are there in the sample space? 20) A) 6 B) 0 C) 2 D) 6 Solve the problem 2) A fair coin is tossed times and heads or tails is noted on each toss How many different outcomes are there in the sample space? A) 2 B) 0 C) 2 D) 2 2)

5 A license plate consists of any five capital letters from the ordinary English alphabet (A through Z) except for the letters O, I, and Q 22) How many of the license plates start with the letter Z? 22) A) 22 B) C) 2 - D) 2 2) How many of the license plates start with the letter Z and end with the letter W? 2) A) 2 B) 2 C) D) 2 Tasmanian automobile license plates consist of four capital letters (A through Z) followed by three digits (0 through 9) 2) How many different Tasmanian license plates are possible? 2) A) 26 0 B) 6 C) (26 ) + (0 ) D) ) How many Tasmanian license plates end with '66'? 2) A) B) 26 0 C) D) ) How many Tasmanian license plates start with the word MATH? 26) A) 000 B) 0 C) D) 00 A computer password is made up of four characters Each character can be a capital letter (A through Z), a lowercase letter (a through z) or a digit (0 through 9) 2) How many different such computer passwords are there? 2) A) 62 B) 62 C) 62 D)

6 28) How many passwords do not start with the digit 0? 28) A) 62 B) 6 C) 6 62 D) 62 - Solve the problem 29) 8 P = 29) A) 6 B) 620 C) 2 D) 6 0) 0 P 0 = 0) A) B) 0! C) 02 0! D) 0! 0! ) 8 C = ) A) 6 B) 6 C) 620 D) 26 2) C = 2) A)! B) 0 C) D) 6

7 ) Three cards are drawn in order from a well shuffled deck of 2 cards The probability that all three cards are clubs is given by ) A) C 2 C B) P 2 P C) C 2 C D) P 2 P Tasmanian automobile license plates consist of four capital letters (A through Z) followed by three digits (0 through 9) ) How many Tasmanian license plates have no repeated symbols (different letters and different ) digits)? A) 2 B) 26 P 0 P C) 26 C 0 C D) (26 - ) (0 - ) Solve the problem ) Consider the sample space S = {o, o2, o, o} Suppose you are given Pr(o) = 0 and Pr(o2) = 02 If o and o have the same probability, find Pr(o) A) 02 B) 0 C) 0 D) 0 ) A pair of honest dice is rolled, and the number on each die is noted 6) What is the probability of rolling a total of 2? 6) A) 6 B) 8 C) D) 6

8 ) What is the probability of rolling a total of? ) A) B) C) 6 6 D) 6 Solve the problem 8) Three cards are drawn in order from a well shuffled deck of 2 cards The probability that all three cards are 9's is given by A) ) B) 2 0 C) D) ) Three cards are drawn in order from a well shuffled deck of 2 cards The probability that all three cards are clubs is given by A) ) B) C) 2 0 D) 2 2 8

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