In 2014, students in an advanced statistics course at uc berkeley conducted type numbers in the boxes. an anonymous survey about use of cognition-enhancing drugs among college to points males. one survey group of males included members from a fraternity, and the other survey of males group included no fraternity members. the standard error formula for the difference between sample proportions is of=m=vp: 09) + py(1-1) calculate the standard error for a survey comparing proportions of cognition-enhancing drug use of fraternity members to non-fraternity members, where pı -0.34, n = 138, p2 = 0.25, n2 = 91. round all calculations to the thousandth decimal place.

Hye ryung is the president of the local chapter of the american medical students association (amsa). she is organizing local outreach and informational meetings. at her first meeting there are five people present (including herself). every month after that her group grows by 5 people. a. how many members are in the group after 6 months? b. the logistics of hosting and feeding her group at meetings was more complicated than expected. the cost of feeding 5 people at her first meeting was $30, for 10 people it was $35, for 15 it was $45, and after 6 months all of the costs had added up to $100. write a function to model the cost with the number of people attending meetings. c. what connections can you make between the linear growth of the group’s membership and the increasing costs of running meetings?

The area of square garden is 300m squared. how long is the diagonal?

What is the sum of the first 8 terms of the geometric series