Need each section answered. For the last part the drop down options are for the

Question

Need each section answered. For the last part the drop down options are for the first box reject or fail to reject. second box is or is not. third box options less than, equal to, or greater than. please answer every part of the question.

TEST - Ch. 10 4 10 of 13 (7 complele) Test: POST UNIT 7 This Question: 1 pt This Test: 13 pts possibie A credit score is used by credt agencies (sch as morlgage companies and banks) to assess the creditworthiness of indviduals. Valiss range from 300 to 850, with a credt score over 700 considered to be a quaity credil risk According to a survey, the mean credit score is 703 9 A credit analyst wondered whether high-income indviduals (incomes in excess of $100,000 per year) had higher crodt scores He obliained a random sample of 33 high income individuals and found the sample moan credt score to be T17 8 with a standard devistion of 80 5 Conduct the appropnale test to determine if high income rowduals hawe higher credi scores at te 005 level of sgrkance Statn the null and alternative typotheses (Type negers or dom als Do not round) Idently the t-stahsho (Rourdto two decna pires as needed.) denaty the P-vaiu P-value :[] Rond to three decmel places as needed Make a concdusion regarding the hypothesis the nut hypot ess There sulficere evickren to dam that the moan credit score of high-rcorre indwaas

Explanation / Answer

Ho: Mu = 703.9
Ha: Mu > 703.9

t0 = (717.8-703.9)/(80.5/sqrt(33)) = +.992

The P-Value is .16432.

Conclusion:
The result is not significant at p < .05.

We will fail to reject the null hypothesis. There isn't sufficient evidence to claim.... individual is more than 703.9

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