In a study of government financial aid for college students, it becomes necessary to estimate that percentage. Use a 0.05 margin of error and use a confidence level of 99%. Complete parts (a) through (c) below. percentage of full-time college students who earn a bachelor's degree in four years or less. Find the sample size needed to estimate a. Assume that nothing is known about the percentage to be estimated. (Round up to the nearest integer.) b. Assume prior studies have shown that about 60% of full-time students earn bachelor's degrees in four years or less. (Round up to the nearest integer.) c. Does the added knowledge in part (b) have much of an effect on the sample size? O A. Yes, using the additional survey information from part (b) only slightly increases the sample size O B. Yes, using the additional survey information from part (b) dramatically reduces the sample size. O C. No, using the additional survey information from part (b) only slightly reduces the sample size O D. No, using the additional survey information from part (b) does not change the sample sze.

There are 10 women and 3 men signed up to join a salsa dance class. In how many ways can the Instructor choose 6 of the people to join if fewer than 2 must be men? 0 Explanation Check X $ hp ©2022 McGraw Hill LLC. All Rights Reserved Terms of Use Privacy Center

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