A researcher believes that 6% of females smoke cigarettes. If the researcher is correct, what is the probability that the proportion of smokers in a sample of 531 females would be greater than 4 % ? Round your answer to four
decimal places.

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0