discussion5

.docx

School

Florida International University *

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Course

2023

Subject

Industrial Engineering

Date

Dec 6, 2023

Type

docx

Pages

2

Uploaded by SargentAntelopeMaster1833

For each discussion, students will post their answers to the question set. 1. A box contains six 25-watt light bulbs, nine 60-watt light bulbs, and five 100-watt light bulbs. What is the probability of randomly selecting a 60 watt light bulb? (2 pt) Note: You must provide your answer as a fraction. 2. Cell Phone Provider Probability AT&T 0.271 Sprint 0.236 T–Mobile 0.111 Verizon 0.263 3. Does above table represent the probability model? Explain your answer. (3 pt) 4. The data shows the distance that employees of a certain company travel to work. One of these employees is randomly selected. Determine the probability that the employee travels between 10 and 29 miles to work. (2 pts) Distance (miles) Number of employees 0 – 9 124 10 – 19 309 20 – 29 257 30 – 39 78 40 – 49 2
5. In Q3, Is the probability the employee travels between 40 and 49 miles to work considered to be unusual? Explain your answer. (3 pt) 1. The probability of randomly selecting a 60-watt light bulb = 9/20 2. No, the table does not represent the probability model because for some of all probabilities doesn’t equal to 1. 3. The probability that the employee travels between 10 and 29 miles to work = 566/770 = 0.735 4. The probability that the employee travels between 40 and 49 miles to work = 2/770 = 0.003 . Since the probability is less than 0.05, it is considered to be unusual.
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