Suppose that we wanted to estimate the true average number of customers at a particular restaurant with 95% confidence. the margin of error we are willing to accept is 2. suppose we also know that the population standard deviation is 10. increasing our confidence to 97% will

(a) increase the margin of error
(b) cause the required sample size to decrease
(c) not affect the required sample size
(d) decrease the margin of error
(e) cause the required sample size to increase

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?