Lori jeffrey is a successful sales representative for a major publisher of college textbooks. historically, lori obtains a book adoption on 25% of her sales calls. viewing her sales calls for one month as a sample of all possible sales calls, assume that a statistical analysis of the data yields a standard error of the proportion of .0625.a. how large was the sample used in this analysis? that is, how many sales calls did lori make during the month? b. let p¯ indicate the sample proportion of book adoptions obtained during the month. show the sampling distribution of p¯.c. using the sampling distribution of p¯, compute the probability that lori will obtainbook adoptions on 30%or more of her sales calls during a one-month period.

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

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?

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.