stdias
18.04.2021 •
Mathematics
I need help matching the equivalent expressions to these problems 5i(4-3i), -1(3+i), (1+2i)(-1+3i), (-4i)(5i)
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Ответ:
(A) Prob of getting straight (given scenario) = 0.166667
(B) Prob of getting straight (Casino scenario) = 0.153846
Step-by-step explanation:
Probability of getting straight when standard deck of card
Since we 4 cards are already drawn, number of cards in the deck = 48
There are 8 possible cards in the deck to complete straight
Eg . if you have 4,5,6 & 7 then there are four 3’s and four 8’s in the deck that can complete straight.
Prob of getting straight (given scenario) = #of possible cards/# total number of remaining cards
= 8/48
=0.166667
Prob of getting straight (given scenario) = 0.166667
Probability of getting straight when casino case (infinite supply of cards)
Since we have infinite cards in supply, number of cards in the deck = 52
Number of cards in hand that doesn’t matter here.
There are still 8 possible cards in the deck to complete straight
Prob of getting straight (Casino scenario) = #of possible cards/# total number of remaining cards
= 8/52
=0.153846
Prob of getting straight (Casino scenario) = 0.153846