Consider a lottery game in which 7 out of 10 people lose, 1 out of 10 wins $35, and 2 out of 10 wins $15. If you played this lottery about how much would you expect to win per game if the ticket costs $5? Round your answer to two decimal places.

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Which of the functions graphed below has a removable discontinuity?

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?