5

.xlsx

School

San Bernardino Valley College *

*We aren’t endorsed by this school

Course

108

Subject

Statistics

Date

Apr 3, 2024

Type

xlsx

Pages

19

Uploaded by KidFlagKoala37

Report
Question 1 Determine if the following is a random variable: Social security numbers assigned sequentially. "sequentially" Not a random varible Question 2 Determine if the following is a random variable: Housing market prices. Housing market are g Random variable Question 3 Determine if the following is a random variable: The final grade of a student enrolling in a course. We don't know the st Too many variables to Random variable
Question 4 Determine if the following is a random variable: Number of customers defaulting on home mortgages. Random variable Question 5 Consider the following table representing enrollment into a particular course. Enrollment Odds Number of Students Enrolled Probability of Achieving Enrollment 27 0.27 28 0.31 29 0.41 30 0.27 Each outcome is within 0 and 1 Sum is 1.26 > 1 , so… No because the sum of the probabilities is not approximately 1. Impossible to determ Does the table meet the requirements of a probability distribution ? 1. Check th 2. Check th
Question 6 Does the table meet the requirements of a probability distribution? Probability of Defective Units Number of Units Defective Probability 0 0.783743359 1 0.193915883 2 0.020990895 3 0.001298406 4 0.0000501961 5 0.00000124197 6 0.000000019206 7 0.000000000169711 8 0.0000000000006561 Sum = 1 each outcome is within 0 and 1 Yes because the probability of each outcome is between 0 and 1 as well as the sum of prob Question 7 Probability of Defective Units Number of Units Defective Probability 0 0.783743359 1 0.193915883 However, w 2 0.020990895 3 0.001298406 4 0.0000501961 A company buys eight new computers . The odds a computer is defective is 3% . The following table re 1. Check th 2. Check th What is the approximate probability that no computers will be defective in the shipment? From the ta
5 0.00000124197 6 0.000000019206 7 0.000000000169711 8 0.0000000000006561 Question 8 Probability of Defective Units Number of Units Defective Probability 0 0.783743359 1 0.193915883 2 0.020990895 → 3 0.001298406 4 0.0000501961 5 0.00000124197 6 0.000000019206 7 0.000000000169711 8 0.0000000000006561 x = Number of Units p(x) = Defective Probability x * p(x) = What are the expected number of computers defective in the shipment? Number of Units x Defective Probability
↓ x * p(x) = Number of Units x Defective Expected value = Sum of each "x * p(x)" value
→ generally unpredictable and random tudy habits of the student, the course load, ect. Before the start of class o consider for a random student follows a particular order ≠ random order
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
  • Access to all documents
  • Unlimited textbook solutions
  • 24/7 expert homework help
Recommended textbooks for you
Text book image
College Algebra
Algebra
ISBN:9781938168383
Author:Jay Abramson
Publisher:OpenStax
Text book image
College Algebra (MindTap Course List)
Algebra
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:Cengage Learning
SEE MORE TEXTBOOKS
Recommended textbooks for you
Text book image
College Algebra
Algebra
ISBN:9781938168383
Author:Jay Abramson
Publisher:OpenStax
Text book image
College Algebra (MindTap Course List)
Algebra
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:Cengage Learning
SEE MORE TEXTBOOKS