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domly selectec ollows F-distri

domly selectec ollows F-distri

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question 30 A randomly selected realtor's monthly commission (in thousands) can be estimated by a random variable that follows F-distribution with parameters (14,4). Let X be the monthly commission of a randomly selected realtor. 1. Describe the distribution of X: P(X<13.1)=0.99 X<7.1 P(X<7.9) P(X<13.1)=0.99 2. Use the random variable notation to express symbolically each of the following: X<7.1 P(X<7.9) P(X<13.1)=0.99 X<7.1 P(X<7.9) i. less than 7.1: X- Select an answer ✓ (dfn= Select an answer X² ii. more than 7.9: ✓An event in which the monthly commission (in thousands) of a randomly selected realtor is less than 7.1. iv. more than 72.4: F 3. Use technology to find the probability that the monthly commission (in thousands) of a randomly selected realtor is: v. less than 98.3: The probability of an event in which the monthly commission (in thousands) of a randomly selected realtor is less than 7.9. iii. between 0.4 and 8: ,dfd= The probability of an event in which the monthly commission (in thousands) of a randomly selected realtor is less than 13.1 is equal to 0.99. 4. Find the 11-th percentile: €11% (round the answer to 2 decimal places) (round the answer to 2 decimal places) (round the answer to 2 decimal places) (round the answer to 2 decimal places) (round the answer to 2 decimal places) (round the answer to 2 decimal places)
Transcribed Image Text:Question 30 A randomly selected realtor's monthly commission (in thousands) can be estimated by a random variable that follows F-distribution with parameters (14,4). Let X be the monthly commission of a randomly selected realtor. 1. Describe the distribution of X: P(X<13.1)=0.99 X<7.1 P(X<7.9) P(X<13.1)=0.99 2. Use the random variable notation to express symbolically each of the following: X<7.1 P(X<7.9) P(X<13.1)=0.99 X<7.1 P(X<7.9) i. less than 7.1: X- Select an answer ✓ (dfn= Select an answer X² ii. more than 7.9: ✓An event in which the monthly commission (in thousands) of a randomly selected realtor is less than 7.1. iv. more than 72.4: F 3. Use technology to find the probability that the monthly commission (in thousands) of a randomly selected realtor is: v. less than 98.3: The probability of an event in which the monthly commission (in thousands) of a randomly selected realtor is less than 7.9. iii. between 0.4 and 8: ,dfd= The probability of an event in which the monthly commission (in thousands) of a randomly selected realtor is less than 13.1 is equal to 0.99. 4. Find the 11-th percentile: €11% (round the answer to 2 decimal places) (round the answer to 2 decimal places) (round the answer to 2 decimal places) (round the answer to 2 decimal places) (round the answer to 2 decimal places) (round the answer to 2 decimal places)
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