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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 14PPS
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sert Format Tools Add-ons Help Last edit was 2 minutes ago Normal text Arial BIUA 田回-三, 三E▼= 12 3. Women athletes at the University of Colorado, Boulder, have a long-term graduation rate of 67%. Over the past several years, a random sample of 38 women athletes at the school showed that 21 eventually graduated. Does this indicate that the population proportion of women athletes who graduate from CU is now less than 67%? Use a 5% level of significance. a. What is the level of significance? b. State the null and alternate hypotheses. c. What sampling distribution will you use? Is the sample size sufficiently large? Explain. a. Find the value of z (by hand) b. Find the P-value (using the appropriate calculator). C. Write a conclusion. C. Should you reject or fail to reject (accept) your null hypothesis? 79 02 05 田回
Transcribed Image Text:sert Format Tools Add-ons Help Last edit was 2 minutes ago Normal text Arial BIUA 田回-三, 三E▼= 12 3. Women athletes at the University of Colorado, Boulder, have a long-term graduation rate of 67%. Over the past several years, a random sample of 38 women athletes at the school showed that 21 eventually graduated. Does this indicate that the population proportion of women athletes who graduate from CU is now less than 67%? Use a 5% level of significance. a. What is the level of significance? b. State the null and alternate hypotheses. c. What sampling distribution will you use? Is the sample size sufficiently large? Explain. a. Find the value of z (by hand) b. Find the P-value (using the appropriate calculator). C. Write a conclusion. C. Should you reject or fail to reject (accept) your null hypothesis? 79 02 05 田回
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