Answer
Greater than original- A 100% increase followed by a 33.3333 decrease.
Less than original- A 75% decrease followed by a 25% increase. The other two are in this category as well
Same as original- A $20 decrease followed by a $20 increase.
Please mark me brainliest
Answer:
0.82
Step-by-step explanation:
given that an athlete suspected of having used steroids is given two tests that operate independently of each other.
Test A has probability 0.9 of being positive if steroids have been used. Test B has probability 0.8 of being positive if steroids have been used.
A and B are independent of each other
Hence P(AB) = P(A) P(B)
Required probability = the probability that atleast one test is positive if steroids have been used
= P(AUB)
= P(A)+P(B)-P(AB)
= 0.9+0.8-0.9*0.8
= 0.82
By the way the arrow is pointing?
No one can answer until you give us the amount of money he has or how much money the twine costs
the second option
Step-by-step explanation:
Line CD is parallel to line AB, shown by the arrows in the middle of both of the lines.