Answer:
$28,875
Step-by-step explanation:
The given table is:

The expected probability is derived using the formula: 
Therefore, for the given distribution,
Expected Probability

If each yearly lease is $12,000
The Expected Yearly Lease for the Whole Building=2.40625 X 12000
=$28,875
Answer:
D. It is not possible to draw a conclusion
Step-by-step explanation:
we are not given enough information about the library schedule.
It would be .43, rounded. You get this answer by taking all of the 10th graders (14) and looking at how many prefer sporting events (6). Then, you simply form a decimal from 6/14, and that comes out to .428, and .43 rounded up. I hope this helps! :)
2/5
Since 12 out of 30 marbles were black, you can assume that the percentage of black marbles in the bag is 40% (Ex: 12/30=.4) The probability that the marble you pick is black is equal to the percentage of black marbles in the bag. 40% is equal to 2/5.
Answer:
3/4
Step-by-step explanation:
1/2 the deck is red cards.
1/4 of the deck is spades.
There are no spades that are red cards, so the probability of drawing a red card or a spade at random from a well-shuffled deck is ...
1/2 + 1/4 = 3/4