Let S = {1,2,3,4,5,6,7,8,9,10} be the set of equally likely outcomes for an event. Let event E = {1,2,3,4,5,6} and event F = {2,4,6,8}.

P(E and F^c) P(E or F) P(E) P(E^c or F^c) P(E^c) P(F) P(F^c)

0.3

0.4

0.6

0.7

Which expression will have the same sum as 3_8 + 1/4?

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.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.