. Now say the same robot from question 5 is used. Now we are interested in how many times the robot has to attempt the task before it succeeds. Assume the same scenario from question 5, the robot does not remember its attempts and the probability of success on a given trial is 0.85. Let X be the number of attempts the robot needs before it completes the task. a. What is the support of X? b. What is the expected number of attempts the robot needs before it succeeds? What is the variance? Would you expect

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
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4. Now say the same robot from question 5 is used. Now we are interested in how many times the robot has to attempt the task before it succeeds. Assume the same scenario from question 5, the robot does not remember its attempts and the probability of success on a given trial is 0.85. Let X be the number of attempts the robot needs before it completes the task.

a. What is the support of X?

b. What is the expected number of attempts the robot needs before it succeeds? What is the variance? Would you expect to need to let the robot attempt the task many times before it succeeds?

c. What is the probability that the robot needs more than 2 attempts to succeed at the task?

 

Question 5 Scenario: "A company is interested in how many emails it receives in a given hour, say from 3:00pm-4:00pm. Let X be the number of emails the company receives in a given hour. The expected number of emails it receives is set to be 100 per hour."

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