You’ve been hired to design a survey to estimate the amount a guest intends to spend during a visit to the Elmhurst College Casino and Hookah Lounge. Given that guest expenditures are normally distributed, how large a sample do you need to be 95% confident that the error is no more than $5.00? Past data estimates the standard deviation to be $20.

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?