Expand 2(x-1) Expand 3(2x+3) Expand 7(x+5) Expand 5(2x-y)
1 answer:
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Answer:
x=3 and y=1
Step-by-step explanation:
First find the deteminant
That is ad-bc
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Answer:
a. P(AnB)
b. P(B|A)
c.
d. P(A or B)
e.
Step-by-step explanation:
Since A= driver is under 25 years old (1)
B = driver has received a speeding ticket (2)
a.The probability the driver is under 25 years old and has recieved a speeding ticket.
this simple means the intersection of both set, which can be written as
P(AnB)
b. The probability a driver who is under 25 years old has received a speeding ticket.
This is a conditional probability, probability that B will occur given that A as occur.
P(B|A)
c. the probability a driver who has received a speeding ticket is 25 years or older.
d. The probability the driver is under 25 years old or has received a speeding ticket.
P(A or B)
e. The probability the driver is under 25 years old or has not received a speeding ticket.