A 3-card hand is dealt from a standard 52-card deck, and then one of the 3 cards is chosen at random. If only one of the cards
2 answers:
<u>Answer:</u>
P (chosen card is 3) =
<u>Step-by-step explanation:</u>
We are given that a 3-card hand is dealt from a standard 52-card deck, and then one of the 3 cards is chosen at random.
Given that only one of the cards is a 3, we are to find the probability that the chosen card is a 3.
Since only one card is a 3 and one card is chosen so:
P (chosen card is 3) = 1 / 3
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Since h represents the height of the ball at any given time, t, let h = 25, such that the ball will be 25m high at t.
Now, we have 25 = 20t - 5t²
5t² - 20t + 25 = 0
t² - 4t + 5 = 0
Since the discriminant is less than zero, there are no solutions.
Hence, the ball will never be 25m high.
Now, we have 25 = 20t - 5t²
5t² - 20t + 25 = 0
t² - 4t + 5 = 0
Since the discriminant is less than zero, there are no solutions.
Hence, the ball will never be 25m high.