In 1996, McDonald's estimated that 10% of all American workers had worked at McDonald's at one point in their career (www.businessinsider.co m). Assume that 6 American workers are randomly selected, and that this can be modeled as a binomial distribution. What is the probability that exactly 2 of the 6 workers has worked at McDonald's? T T T Arial v 3 (12pt) TEE

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
**Title: Understanding Probability with a Real-World Example**

In 1996, McDonald's estimated that 10% of all American workers had worked at McDonald's at one point in their career [source: Business Insider]. Assume that 6 American workers are randomly selected, and that this can be modeled as a binomial distribution.

**Problem Statement:**
What is the probability that exactly 2 out of the 6 workers have worked at McDonald's?

**Discussion:**

This problem requires the use of binomial distribution, which is suitable for scenarios with two possible outcomes (e.g., worked at McDonald's or not). The binomial distribution can model the number of successful outcomes in a set number of trials.

Here, the probability of success (a worker having worked at McDonald's) is 0.1, and we're interested in finding the probability of exactly 2 successes (workers) out of 6 trials. The formula to determine this is:

\[ P(X = k) = \binom{n}{k} \cdot p^k \cdot (1-p)^{n-k} \]

Where:
- \( n \) = total number of trials (6 workers)
- \( k \) = number of successes we’re interested in (2 workers)
- \( p \) = probability of success on a single trial (0.1)
- \(\binom{n}{k}\) = binomial coefficient

This type of calculation is common in statistics to determine likelihoods in various real-world scenarios.
Transcribed Image Text:**Title: Understanding Probability with a Real-World Example** In 1996, McDonald's estimated that 10% of all American workers had worked at McDonald's at one point in their career [source: Business Insider]. Assume that 6 American workers are randomly selected, and that this can be modeled as a binomial distribution. **Problem Statement:** What is the probability that exactly 2 out of the 6 workers have worked at McDonald's? **Discussion:** This problem requires the use of binomial distribution, which is suitable for scenarios with two possible outcomes (e.g., worked at McDonald's or not). The binomial distribution can model the number of successful outcomes in a set number of trials. Here, the probability of success (a worker having worked at McDonald's) is 0.1, and we're interested in finding the probability of exactly 2 successes (workers) out of 6 trials. The formula to determine this is: \[ P(X = k) = \binom{n}{k} \cdot p^k \cdot (1-p)^{n-k} \] Where: - \( n \) = total number of trials (6 workers) - \( k \) = number of successes we’re interested in (2 workers) - \( p \) = probability of success on a single trial (0.1) - \(\binom{n}{k}\) = binomial coefficient This type of calculation is common in statistics to determine likelihoods in various real-world scenarios.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 15 images

Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman