<em><u>So</u></em><em><u>,</u></em><em><u>w</u></em><em><u>h</u></em><em><u>a</u></em><em><u>t</u></em><em><u>s</u></em><em><u> </u></em><em><u>your</u></em><em><u> </u></em><em><u>question</u></em><em><u>?</u></em><em><u>?</u></em><em><u>?</u></em><em><u>?</u></em>
Answer:
Standard error (S.E) = 0.048 ≅ 0.05
Step-by-step explanation:
<u>Explanation</u>:-
Given sample size 'n'=76
Given the dean who randomly selects 76 students and finds that 58 out of 76 are receiving financial aid.
Sample proportion

The standard error is determined by

Standard error is 0.048 ≅ 0.05
120 grams half life at 45 days would be 60 then half life of 60 in another 45 days (90 total) should be 30 grams