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Vilka [71]
3 years ago
7

A sample of 4 different calculators is randomly selected from a group containing 19 that are defective and 36 that have no defec

ts. what is the probability that at least one of the 4 calculators in the sample is defective?
Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
6 0
<span><span>The probability of all calculators having no defects is 16.8%. The probability of at least one defect is the complement of that probability. 
ie an 83.2% probability of at least one defect.</span><span>
</span></span>
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Answer: there are 25 red flowers in Sakura's garden.

Step-by-step explanation:

In Sakura's garden, for every 5 red flowers, there are 10 yellow flowers. This means that if there are 10 red flowers, there would be 20 yellow flowers. if there are 20 red flowers, there would be 40 yellow flowers. Therefore, the ratio of red flowers to yellow flowers in the garden is

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