Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, P-value, critical...


Assume that a simple random sample has been selected from a normally distributed population and test the given claim.<br>Identify the null and alternative hypotheses, test statistic, P-value, critical value(s), and state the final conclusion that<br>addresses the original claim.<br>In a manual on how to have a number one song, it is stated that a song must be no longer than 210 seconds. A simple random<br>sample of 40 current hit songs results in a mean length of 227.3 sec and a standard deviation of 54.07 sec. Use a 0.05<br>significance level and the accompanying Minitab display to test the claim that the sample is from a population of songs with a<br>mean greater than 210 sec. What do these results suggest about the advice given in the manual?<br>Identify the test statistic. (Note: You will need to decide if you must use z-scores or t-scores)<br>z or t=<br>(Round to two decimal places as needed.)<br>Identify the P-value.<br>(Round to three decimal places as needed.)<br>The P-value is<br>Identify the critical value(s) of z or t.<br>The critical value(s) is(are).<br>(Round to three decimal places as needed. Use a comma to separate answers as needed.)<br>State the final conclusion that addresses the original claim. Choose the correct answer below.<br>O A. Reject Ho. There is sufficient evidence to support the claim that the sample is from a population of songs with a mean<br>length greater than 210 sec.<br>O B. Fail to reject Ho. There is insufficient evidence to support the claim that the sample is from a population of songs with<br>a mean length greater than 210 sec.<br>OC. Reject Ho. There is insufficient evidence to support the claim that the sample is from a population of songs with a<br>mean length greater than 210 sec.<br>O D. Fail to reject Ho. There is sufficient evidence to support the claim that the sample is from a population of songs with a<br>mean length greater than 210 sec.<br>What do the results suggest about the advice given in the manual?<br>O A. The results do not suggest that the advice of writing a song that must be no longer than 210 seconds is not sound<br>advice.<br>O B. The results suggest that 227.3 seconds<br>the best song length.<br>OC. The results are inconclusive because the average length of a hit song is constantly changing.<br>O D. The results suggest that the advice of writing a song that must be no longer than 210 seconds is not sound advice.<br>

Extracted text: Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, P-value, critical value(s), and state the final conclusion that addresses the original claim. In a manual on how to have a number one song, it is stated that a song must be no longer than 210 seconds. A simple random sample of 40 current hit songs results in a mean length of 227.3 sec and a standard deviation of 54.07 sec. Use a 0.05 significance level and the accompanying Minitab display to test the claim that the sample is from a population of songs with a mean greater than 210 sec. What do these results suggest about the advice given in the manual? Identify the test statistic. (Note: You will need to decide if you must use z-scores or t-scores) z or t= (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.) The P-value is Identify the critical value(s) of z or t. The critical value(s) is(are). (Round to three decimal places as needed. Use a comma to separate answers as needed.) State the final conclusion that addresses the original claim. Choose the correct answer below. O A. Reject Ho. There is sufficient evidence to support the claim that the sample is from a population of songs with a mean length greater than 210 sec. O B. Fail to reject Ho. There is insufficient evidence to support the claim that the sample is from a population of songs with a mean length greater than 210 sec. OC. Reject Ho. There is insufficient evidence to support the claim that the sample is from a population of songs with a mean length greater than 210 sec. O D. Fail to reject Ho. There is sufficient evidence to support the claim that the sample is from a population of songs with a mean length greater than 210 sec. What do the results suggest about the advice given in the manual? O A. The results do not suggest that the advice of writing a song that must be no longer than 210 seconds is not sound advice. O B. The results suggest that 227.3 seconds the best song length. OC. The results are inconclusive because the average length of a hit song is constantly changing. O D. The results suggest that the advice of writing a song that must be no longer than 210 seconds is not sound advice.
Jun 07, 2022
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