×
Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 4.4 - Problem 4e
Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 4.4 - Problem 4e

×

# A traffic light at a certain intersection is green 50% of ISBN: 9780073401331 38

## Solution for problem 4E Chapter 4.4

Statistics for Engineers and Scientists | 4th Edition

• Textbook Solutions
• 2901 Step-by-step solutions solved by professors and subject experts
• Get 24/7 help from StudySoup virtual teaching assistants Statistics for Engineers and Scientists | 4th Edition

4 5 1 386 Reviews
17
1
Problem 4E A traffic light at a certain intersection is green of the time, yellow of the time, and red of the time. A car approaches this intersection once each day. Let represent the number of days that pass up to and including the first time the car encounters a red light. Assume that each day represents an independent trial.a. Find .b. Find .c. Find .d. Find .
Step-by-Step Solution:

Step 1 of 5:

Given,  at a certain intersection of a traffic light, green is 50%  of the time, yellow is 10% of the time and red is 40% of the time.

Let X = number of days that pass up to and including the first time the car encounters a red light.

Assumption is that each day represents an independent trial.

Let X follows Geometric distribution and probability mass function of the Geometric distribution is

P(x)  =  p  (1 - p , x = 1, 2, …..

Where, p = 0.40

Step 2 of 5

Step 3 of 5

##### ISBN: 9780073401331

This textbook survival guide was created for the textbook: Statistics for Engineers and Scientists , edition: 4. The answer to “?4. A traffic light at a certain intersection is green of the time, yellow of the time, and red of the time. A car approaches this intersection once each day. Let represent the number of days that pass up to and including the first time the car encounters a red light. Assume that each day represents an independent trial.a. Find .b. Find .c. Find .d. Find .” is broken down into a number of easy to follow steps, and 67 words. Since the solution to 4E from 4.4 chapter was answered, more than 1893 students have viewed the full step-by-step answer. Statistics for Engineers and Scientists was written by and is associated to the ISBN: 9780073401331. This full solution covers the following key subjects: Find, day, Car, red, light. This expansive textbook survival guide covers 153 chapters, and 2440 solutions. The full step-by-step solution to problem: 4E from chapter: 4.4 was answered by , our top Statistics solution expert on 06/28/17, 11:15AM.

Unlock Textbook Solution