Lina packs 3-inch cups into boxes measuring 12 inches by 15 inches . How many cups fit in one box
1 answer:
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Answer:
In 8910 ways can at least 4 defective batteries be included in the purchase
Step-by-step explanation:
The order in which the batteries are there is not important, which means that the combinations formula is used to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
In this question:
4 defective:
4 defective from a set of 5 and 2 non-defective from a set of 60 - 5 = 55. So
5 defective:
5 defective from a set of 5 and 1 non-defective from a set of 60 - 5 = 55. So
In how many ways can at least 4 defective batteries be included in the purchase?
In 8910 ways can at least 4 defective batteries be included in the purchase