52% of students entering four-year colleges receive a degree within six years. Is this percent larger than for students who play intramural sports? 129 of the 231 students who played intramural sports received a degree within six years. What can be concluded at the level of significance of a = 0.01? a. For this study, we should use z-test for a population proportion b. The null and altermative hypotheses would be: Ho: p 0.52 (please enter a decimal) H: [pv< 0.52 (Please enter a decimal) c. The test statistic V= 1.56 (please show your answer to 3 decimal places.) d. The p-value = 0.0594 e. The p-value is >va f. Based on this, we should accept g. Thus, the final conclusion is that ... (Please show your answer to 4 decimal places.) the null hypothesis. O The data suggest the population proportion is not significantly larger than 52% at a = 0.01, so there is not sufficient evidence to conclude that the population proportion of students who played intramural sports who received a degree within six years is larger than 52%. O The data suggest the populaton proportion is significantly larger than 52% at a = 0.01, so there is sufficient evidence to conclude that the population proportion of students who played intramural sports who received a degree within six years is larger than 52% O The data suggest the population proportion is not significantly larger than 52% at a = 0.01, so there is sufficient evidence to conclude that the population proportion of students who played intramural sports who received a degree within six years is equal to 52%. h. Interpret the p-value in the context of the study. O lf the sample proportion of students who played intramural sports who received a degree within six years is 56% and if another 231 students who played intramural sports are surveyed then there would be a 12.11% chance of concluding that more than 52% of all students who played intramural sports received a degree within six years. There is a 12.11% chance of a Type l error. O There is a 12.11% chance that more than 52% of all students who played intramural sports received a degree within six years. O f the population proportion of students who played intramural sports who received a degree within six years is 52% and if another 231 students who played intramural sports are surveyed then there would be a 12.11% chance that more than 56% of the 231 students surveyed received a degree within six years i. Interpret the level of significance in the context of the study. O f the population proportion of students who played intramural sports who received a degree within six years is 52% and if another 231 students who played intramural sports are surveyed then there would be a 1% chance that we would end up falsely concluding that the proportion of all students who played intramural sports who received a degree within six years is larger than 52%
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
can you please answer: G, H, I
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