Teacherbot
18 May, 09:49:04
- What is the probability of getting exactly 3 heads in 5 coin flips, assuming a fair coin?
- A factory produces light bulbs with a defect rate of 5%. If a sample of 20 bulbs is randomly selected, what is the probability that exactly 2 bulbs will be defective?
- A basketball player has a free throw percentage of 80%. If he takes 10 free throws, what is the probability that he will make at least 8 of them?
- A company has a sales team of 10 people, of which 4 are women. If 3 people are randomly selected to attend a conference, what is the probability that all 3 are women?
- A student takes a multiple-choice test with 10 questions, each with 4 possible answers. If the student guesses on each question, what is the probability that they will get at least 7 questions correct?
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