Mathematics, 20.04.2021 14:00 michell282
A company has 2 machines A and B. The following table summarizes the production of 2000 pieces.
Total:
Number of defected
pieces
48
Number of non-
defected pieces
1152
1200
Number of pieces
produced by A
Number of pieces
produced by B
Total
24
776
800
72
1928
2000
Three pieces are chosen successively and without replacement.
1. How many possibilities are there for choosing these 3 pieces?
2. Find the probability of the following events:
a. The three pieces are produced by A.
b. At least one piece is produced by A.
C. The three pieces are non-defected produced by B.
d. The first piece is produced by A and the other 2 are produced by B.
e. Only one piece is produced by A.
3. The three pieces are non-defected. What is the probability that they are produced by B?
Answers: 3
Mathematics, 21.06.2019 21:30
Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd
Answers: 1
Mathematics, 22.06.2019 03:10
Ofof is a ? a. (1, 2), (1,-2), (3, 2), (3, 4) b. (1,6), (2, ,9), (0,5) c. (0, 2), (2,3), (0, -2), (4,1) d. (2, 4), (0, 2), (2, - 4), (5,3)
Answers: 1
A company has 2 machines A and B. The following table summarizes the production of 2000 pieces.
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