Gateway Quiz Exam_2,v1 You have 7 attempt(s) remaining on this test. Jump to Page: [ 1 ] [ 2 ] [ 3 ] [ 4 ][ 5 ] [ 6 ] [ 7 ] Jump to Problem: [4] Problem 4. (15 points) In a survey of 275 people, the following data were obtained relating gender to political orientation: Republican (R) Democrat (D) Independent (1) Total Male (M) 58 68 31 157 Female (F) 31 75 12 118 Total 89 143 43 275 A person is randomly selected. What is the probability that the person is: a) Female? b) Female and a Republican? c) Female given that the person is a Republican? Note: Round your answers to 5 decimal places. Note: You can earn partial credit on this problem. Jump to Page: [ 1 ] [ 2 ] [ 3 ] [ 4 ][ 5 ] [ 6 ] [ 7 ] Jump to Problem: [4] MacBook Air esc - F1 F2 20 F3 F4 F5 F6 @ # $ % 2 3 4 5 O tab Q W E R YC webwork.qcc.cuny.edu Jump to Page: [ 1 ] [ 2 ][ 3 ] [ 4 ] [ 5 ] [ 6 ] [ 7 ] Jump to Problem: [2] Problem 2. (15 points) 31 people were randomly selected and asked how many trips to the supermarket they had made in the past week. The responses are shown in the frequency table below. Calculate the sample mean and standard deviation of the data set. Number of supermarket trips Frequency 0 7 2 13 3 8 4 2 Total 31 Note: Round off your answer for the mean to 1 decimal places, and your answer for the standard deviation to 2 decimal. Do NOT round off intermediate calculations for finding the standard deviation. Mean = Standard deviation = Jump to Page: [ 1 ] [ 2 ][ 3 ] [ 4 ] [ 5 ] [ 6 ] [ 7] Jump to Problem: [2] Preview Test Grade Test Note: grading the test grades all problems, not just those on this page. Page generated at 06/14/2021 at 12:39pm EDT WeBWork @ 1996-2019| theme: math4 | ww_version: 2.15 | pg_version 2.15| The WeBWork Project MacBook Air esc - 19 F1 295 F2 20 F 88 8 F4 F5 F7 DII F8 DD F1 @ W # % & K + 9 O Q W E R Y U O P A S D G I T H K Z X C B IN M alt alt option NISRUSH command command option