Question Help : * Consumers with credit scores below 600 have a very difficult t

Question

Question Help : * Consumers with credit scores below 600 have a very difficult time g loans Historically 29% of people had a credit score below 600 Due to the recent financial crisis, the federal govemment is concened that this proportion has increased To test this hypothesis, a random sample of 160 people was chosen. From this sample, 54 people had credit scores less than 600, Using :0 10. complete parts a and b below etting approved for car or mortgage O A Do not reject Ho There is insufficient evidence that the proportion of people with credit scores below 600 has increased. O B. Do not reject Ho There is sufficient evidence that the proportion of people with credit scores below 600 has increased C. Reject Ho . There is sufficient evidence that the proportion of people with credit scores below 600 O D. Reject Ho. There is insufficient evidence that the proportion of people with credit scores below b. Determine the p-value for this test p-value-(Round to three decimal places as needed) has increased. 600 has increased Enter your answer in the answer box and then click Check Answer 11 All parts showing Clear All 4:50 PM 12/9/2017

Explanation / Answer

The statistical software output for this problem is:

One sample proportion summary hypothesis test:
p : Proportion of successes
H0 : p = 0.29
HA : p > 0.29

Hypothesis test results:

Hence,

p - Value = 0.093

Proportion Count Total Sample Prop. Std. Err. Z-Stat P-value p 54 160 0.3375 0.03587304 1.3241142 0.0927

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