Problem solving you and your friend are among
several candidates running for class president. you
estimate that there is a 45% chance you will win
and a 25% chance your friend will win. what is the
probability that you or your friend win the election?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.