Use the circle graph below to answer the question.
favorite sport to watch
football 42 %
soccer 25%
baseball 33%
if 210 people said football was their favorite sport to watch, how many people were surveyed ?

Evaluate the following expression 1/3^2

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to