The difference of 4 minus 17 less the sum of 6 and 1
1 answer:
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Answer:
The probability of selecting randomly 6 packets such that the first 4 contain cocaine and 2 not is 0.3522.
Step-by-step explanation:
Probabilities of selecting 4 packets with the ilegal substance:
=
Combinassions possible= 1365
Probabilities of selecting 2 packets with white powder:
=
Combinations possible= 10
Probabilities of selecting 6 packets from the totality of them:
=
Combinations possible= 38760
The probability of picking 4 with the substance and 2 with only white powder is:
= 0.3522
I hope this answer helps you.
Answer:
x=-4
x=6
Step-by-step explanation:
Lets put to work the well known quadratic equation:
Let us also, remember the given equation: x^2-2x-24=0
Where 'a' would be equals to 1, 'b' equals to -2 and c equals to -24.
The quadratic equations with those values is:
Where we obtain two values.
x1= -4
and x2= 6