The food survey had a margin of error of 5%. From a sample of 500 residents, 23% said
pizza was their favorite food. If the town had 25,000 residents, what is the range in the
number of residents whose favorite food is probably pizza?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

10x − 5y + 14 = 0 whats the answer pls