Janessa bought for 4 stamps for $1.48 at this rate how much would 10 stamps cost
1 answer:
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Answer:
Step-by-step explanation:
We have these following probabilities:
40% probability that the first file is corrupted. So 60% probability that the first file is not corrupted.
30% probability that the second file is corrupted. So 70% probability that the second file is not corrupted.
Probability mass function
Probability of each outcome(0, 1 and 2 files corrupted).
No files corrupted:
60% probability that the first file is not corrupted.
70% probability that the second file is not corrupted.
So
One file corrupted:
First one corrupted, second no.
40% probability that the first file is corrupted.
70% probability that the second file is not corrupted.
First one ok, second one corrupted.
60% probability that the first file is not corrupted.
30% probability that the second file is corrupted.
Two files corrupted:
40% probability that the first file is corrupted.
30% probability that the second file is corrupted.
Answer:
A. addition property of equality; division property of equality
Step-by-step explanation:
[ given ]
[ distributive property ]
[ addition property of equality ]
[ addition property of equality ]
[ division property of equality ]