Which answer is correct for Part A and which answer is correct for part B? A small greeting card company in Burton, New Mexico wants to determine how many of the town's 12,500 citizens are likely to buy a Valentine’s Day card. Last year, 80% of the town's citizens bought a Valentine's Day card. The company surveyed 400 citizens who bought one of these cards last year and concluded that 65% of the buyer population is likely to buy a Valentine's Day card this year.

Part A: What is the population in this example?
Part B: Did the company sample enough people to obtain a 95% confidence level with a 5.0% margin of error?

A: citizens of Burton who bought a Valentine’s Day card last year and participated in the poll

A: citizens of Burton who participated in the poll

A: all citizens of Burton

A: citizens of Burton who bought a Valentine’s Day card last year

B: No, the comp

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints

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step-by-step explanation:

the answer is b.

step-by-step explanation:

identity property is where 0+whatever number=whatever number. basically 0+ a number.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.