There are 45C4 = 148,995 ways to choose 4 calculators out of a group of 45.
There are 33C4 = 40,920 ways to choose 4 calculators that are not defective.
The probability that at least one is defective is (148,995 -40,920)/148,995 ≈ 0.725.
Answer:
x=-3
Step-by-step explanation:
- -2 (-5+8x)+6=40-8x
- 10-16x+6=40-8x
- 16-16x=40-8x
- -16x+8x=40-16
- -8x=24
- x=-3
Answer:
C
Step-by-step explanation:
The complement of Set B is what is not in set B. The things that are in Set U but not in Set B is 1, 3, 5, 7, 9, which is answer choice C.
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Answer:
The answer is ""
Step-by-step explanation:
Let the given value is:
Solving the given value: