How are your grades? In a recent semester at a local university, 700 students enrolled in...
How are your grades? In a recent semester at a local university, 700 students enrolled in both Statistics I and Psychology I. Of these students, 84 got an A in statistics, 64 got an A in psychology, and 32 got an A in both statistics and psychology. Round the answers to four decimal places, as needed. Part 1 out of 2 Find the probability that a randomly chosen student got an A in statistics or psychology or both. The probability...
5. North Carolina State University posts the complete grade distributions for its courses online. The distribution of grades for all students in all sections of Accounting 210 in the spring semester of 2001 was Grade Probability .18 32 34 09 07 a. Using the scale A -4, B-3, C-2, D- 1, and F 0, let Xbe the grade of a randomly chosen b. Let X denote the mean grade for a random sample of 50 students from Accounting 210. Since...
conducted to determine success rates of students enrolled in the Statistics courses offered at South Plains College for the fall semester of 2015. A random sample of 14 students was taken, and we recorded each student's age, final average, gender, # hours worked per week, race, and t attended this semester). Use the results from the following table to answer all parts of #2. he attendance record (# of classes not Age 20 18 19 Final Average Gender # Hrs...
The table below shows the number of male and female students enrolled in nursing at a particular university for a recent semester. (a) Find the probability that a randomly selected student is male, given that the student is a nursing major (b) Find the probability that a randomly selected student is a nursing major, given that the student is male. Males Females Total Nursing Majors Non-nursing majors Total 1154 2396 3550 91 733 824 1063 663 2726 (a) Find the...
o A course in statistics is one of the most difficult at the local university. Because of this, for the past decade the university has arranged for teaching assistants to hold frequent discussion sessions as part of the course. Since the inception of the discussion sessions, 60% of the students enrolled in the course regularly attended the sessions, and the other 40% did not. Students regularly attending the sessions have performed better than those not regularly attending. In particular, 65%...
Giving a test to a group of students, the grades and gender are summarized below Grades vs. Gender A | B | C Male 2 | 18 | 16 Female 2019 12 If one student was chosen at random, find the probability that the student got a B. Probability = (Round to 4 decimal places) Get help: Written Example Giving a test to a group of students, the grades and gender are summarized below Grades vs. Gender ABC Male 13...
A course in statistics is one of the most difficult at the local university. Because of this, for the past decade the university has arranged for teaching assistants to hold frequent discussion sessions as part of the course. Since the inception of the discussion sessions, 50% of the students enrolled in the course regularly attended the sessions, and the other 50% did not. Students regularly attending the sessions have performed better than those not regularly attending. In particular, 70% of...
Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 12 16 2 30 Female 20 13 17 50 Total 32 29 19 80 If one student is chosen at random, Find the probability that the student did NOT get an "C"
A test was given to a group of students. The grades and gender are summarized below A B C Total Male 2013 1144 Female 68 519 Total 26 21 16 63 If one student is chosen at random from those who took the test, Find the probability that the student got a 'A GIVEN they are female. 0.5555 Preview Giving a test to a group of students, the grades and gender are summarized below A Male 10 Female 17 Total...
A study was conducted to determine success rates of students enrolled in the Statistics courses offered at South Plains College for the fall semester of 2015. A random sample of 14 students was taken, and we recorded each student’s age, final average, gender, # hours worked per week, race, and the attendance record (# of classes not attended this semester). Use the results from the following table to answer all parts of #2 f. For the age variable, construct 3...