Answer:
The expected value of the number of spades are = 4.25
Step-by-step explanation:
As per the question,
W know that in a standard deck of 52 playing card, there are 4 suits, and each suit have 13 playing card.
Since, we know that

Therefore,
Probability of any random card being a spade is


So the expected number of spades we draw are


Hence, the expected value of the number of spades are = 4.25
Answer:
B - 87/100
Hope this helps, if I got it wrong I’m sorry
Answer:
Step-by-step explanation:
f(x) = x²+3
f(a+1) = (a+1)²+3 = a²+2a+4
Answer: 275 +
+20.2 = 296
275 +
- 20. = 255.
Step-by-step explanation:
275 +
+ 20.2 (
= 275 + 0.8 + 20.2
= 275.8 + 20.2 = 296
275 +
- 20.2
= 5 + 0.8 - 20.2 (
= 0.8)
= 275.8 - 20.2 = 255.
I hope this answer your
Answer:
Red balls 2/14
Green balls 1/14
Step-by-step explanation:
I hope that helped.