PLEASE HELP!!! I am bad at equations with probability! Calculate the probabilities of each of these situations. Which of the following is LEAST likely to occur?

a) Selecting any spade card from a standard deck of cards, keeping it, then selecting the queen of hearts.

b) Randomly selecting two spades from a standard deck of cards.

c) Selecting an ace from a standard deck of cards, not replacing it, then selecting a king.

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

The graph shows the distance kerri drives on a trip. what is kerri's speed . a. 25 b.75 c.60 d.50

What is the ratio fraction form of 25: 9