a)The probability distribution below is for the number of radios sold at Kisumu City Sound Store in a week. Radios(X)012345 P(X=x)0.030.200.500.200.050.02 Determine: i. The expected weekly radio sales

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?