Seeking assistance with 10 questions for basic statistics.
Questions attached below
Module 1 – Case
Introduction to Probability
Case Assignment
By submitting this assignment, you affirm that it contains all original work, and that you are familiar with Trident Universitys Academic Integrity policy in the Trident Policy Handbook. You affirm that you have not engaged in direct duplication, copy/pasting, sharing assignments, collaboration with others, contract cheating and/or obtaining answers online, paraphrasing, or submitting/facilitating the submission of prior work. Work found to be unoriginal and in violation of this policy is subject to consequences such as a failing grade on the assignment, a failing grade in the course, and/or elevated academic sanctions. You affirm that the assignment was completed individually, and all work presented is your own.
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms where possible. If the answer is in %, show two decimal places.
Answer the following problems showing your work and explaining (or analyzing) your results. Submit your work in a typed Microsoft Word document.
- During an economic downturn, Lanier Company is forced to lay off employees. The table below breaks down the layoffs:
Being Laid Off Not Being Laid Off Total Managers 50 235 285 Non-Managers 125 575 700 Total 175 810 985 - What is the probability that an employee of Lanier is being laid off given that she/he is a non-manager? (3 pts)
- What is the probability that an employee selected at random is a manager? (3 pts)
- The following data set represents the average day temperature in Orange County, CA for December.Find the probability that a randomly selected day will have an average temperature of at least 60 ?. (4pts)
DEGREES (in Fahrenheit)
4362 6546 5565 4957 6044 5264 4553 6148 5963 4756 Find the probability that a randomly selected day will have an average temperature of at least 60 ?. (4pts)
- A survey was taken to determine the birthplace of a class of students in a statistics class. Below is the data set.
Gender Number of Students Birthplace Male 6 San Diego Female 10 San Diego Male 12 Los Angeles Female 8 Los Angeles Male 5 San Francisco Female 9 San Francisco - What is the probability that a male student was born in Los Angeles? (3pts)
- What is the probability that a female student was born in San Diego? (3 pts)
- What is the probability of throwing one dice and getting the number greater than 5? (4pts)
- Two coins are tossed 100 times. Below is the data set:
Two heads 29 One head 45 No head 26 - What is the probability of getting two heads? (3pts)
- What is the probability of getting no head? (3pts)
- Broad Tire Manufacturing Company kept a record of the distance before a tire needed to be replaced. The table shows the results of 500 tires.
Distance in miles Less than 2500 2500-5500 5501-8700 More than 8700 Frequency 10 105 160 225 - If a tire is bought from this company, what is the probability that it must be replaced with less than 2500 miles? (3pts)
- What is the probability that it will last more than 5500 miles? (3pts)
- Two golfers, Phillips and Woodson, play a golf match. The probability of Phillips winning the math is 56%. What is the probability that Woodson wins the match? (4pts)
- The percentage of grades obtained by a student in five tests is given below:
Test 1 2 3 4 5 % of Grades 65 80 73 79 59 Find the probability of the student getting at least 70% in a test. (4pts)
- Find the probability of correctly answering the first 5 questions on a multiple- choice test by randomly guessing the answer. Each question has 4 possible answers. (4pts)
- One card is drawn from a deck of 52 cards, well-shuffled.
- Calculate the probability that the card will be an ace or a king. (3pts)
- Calculate the probability the card will be a queen. (3pts)