find t value find p value critical values reject or do not reject stars conclusion Good credit: The Fair Isaac Corporation (FICO) credit score is used bybanks and other lenders to determine whether someone is a good creditrisk. Scores range from 300 to 850, with a score of 720 or more indicating thata person is a very good credit risk. An economist wants to determinewhether the mean FICO score is lower than the cutoff of 720. She findsthat a random sample of 60 people had a mean FICO score of 695 with astandard deviation of 65. Can the economist conclude that the mean FICOscore is less than 720? Use the α=0.05 level of significance and the P-valuemethod with the TI-84 Plus calculator.Part 1 of 5(a) State the appropriate null and alternate hypotheses.Ho: = 720H₁:μ>720This hypothesis test is a left-tailedAlternate Answer:Ho: μ=720H₁: μ<720This hypothesis test is a left-tailed test.Part: 1 / 5Part 2 of 5test.(b) Compute the value of the test statistic. Round the answer to twodecimal places.Xolo

Claim: the mean FICO score is less than 720.The null and alternative hypotheses are:As the direction…

Answered: Good credit: The Fair Isaac Corporation…

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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