If you randomly sample one at a time with replacement from this sample, what is

Question

If you randomly sample one at a time with replacement from this sample, what is the probability that you can select three children with a word count equal to or greater than 53? (There are 50 total kids and 17 of them have a word count of 53 or greater) I assumed it would be .34x.34x.34= .039 but it was wrong. Could they just want .34? If you randomly sample one at a time with replacement from this sample, what is the probability that you can select three children with a word count equal to or greater than 53? (There are 50 total kids and 17 of them have a word count of 53 or greater) I assumed it would be .34x.34x.34= .039 but it was wrong. Could they just want .34?

Explanation / Answer

Number of success = 3

Total kids have a word count of 53 or greater = 17

so require probability =3/17 = 0.1765

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