A spinner with seven equal - sized sections was used to play a game. It was used 250 times in the first game. Of those 250 times the arrow landed on 7 a total of 64 times. The same spinner was used 178 times in the second game. What is the probability of landing on 7 in the second game, based on the results of
the first game?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.

Amovie theater owner determined that about 2 out of every 5 customers purchases popcorn. which simulation could be used to answer questions about customers purchasing popcorn?