I NEED HELP PLEASE, THANKS! :)

Suppose you draw one card from a standard deck of 52 cards. A standard deck of cards has 4 of each type of card, so the deck contains 4 kings and 4 queens. What is the probability that the card is a king or a queen? Explain.

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

According to the data set, where should the upper quartile line of the box plot be placed?

With finding limits of multi variable !