please provide explanations for questions 2 and 4.
please provide explanations for questions 2 and 4. (Naming events - Venn diagrams - Operations with...
(Counting-does order matter here?) 1. Eight engineering students are lined up to give presentations at a hiring fair. One person demands to be either first or last. In how many ways can these students line up? (Enter an integer answer.) (Naming events - Venn diagrams - Operations with sets Probability) 2. Suppose that in a senior college class of 500 students it is found that 98 smoke, 229 drink alcoholic beverages, 212 eat between meals, 70 smoke and drink alcoholic...
Suppose that in a senior college class of 500 students it is found that 210 smoke, 258 drink alcoholic beverages, 216 eat between meals, 122 smoke and drink alcoholic beverages, 83 eat between meals and drink alcoholic beverages, 97 smoke and eat between meals and 52 engage in al three of these bad health practices. If a member of this senior class is selected at random, find the probability that the student engages in at least one of these three...
46 2 (6 points) A study was conducted to determine whether the final grade of a student in an introductory psychology course is linearly related to his or her performance on the verbal ability test administered before college entrance. The verbal scores and final grades for all 10 students in the class are shown in the table below. Student Verbal Score x Final Grade y 1 86 42 77 3 41 87 4 39 98 5 79 75 6 41...
Can someone help with this problems please 1. (10 pts] Suppose that for a given term, data is collected on the types of courses that SPSCC students take with an interest in online and evening courses. Answer the following questions using the distribution of students below. Online Course No Online Course Totals Evening Course 28 42 70 No Evening Course 82 200 282 Totals 110 242 352 a. What is the probability a student is taking an online course? b....
A Waist is a Terrible Thing to Mind: The waist circumference of males 20 to 29 years ele is approximately normally distributed, with mean 92.5 cm and standard deviation 13.5 Source: M.A. McDowell. CD. Fryar.R. Hirs for Children and Adults: U.S. Population. 1999-2002. Advance data from vital and health statistics: No. 361. Hyattsville, MD: National Center for Health Statistics, 2005. d CL. Ogden, Anthropometric Reference Data 5. Draw a normal curve with the parameters labeled. 92.5 What proportion of 20-...