Acard is randomly drawn from a deck of cards. (there are 52 cards in a deck, with 13 cards of each suit.) you record the following results for the experiment.

hearts clubs spades diamonds
times drawn 28 32 18 22
which of the following are true?

the experimental probability of drawing a club is 32%.
the theoretical probability of drawing a diamond is 25%.
based on the experimental probability, there would be 90 spades drawn in 500 trials.
based on the theoretical probability, there would be 120 hearts drawn in 500 trials.

Can (2,3 and square root 10) be sides ona right triangle?

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6