1. (5 points) What is the minimum sample size necessary to estimate a population proportion
(or percentage) if the margin of error is at most 0.04, the confidence level is 97%, and p
and ĝ are unknown?

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

What is the solution set of the quadratic inequality x^2-5< or equal to 0

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year