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Posted: **Mon Nov 15, 2021 12:19 pm**

: Question 3 1 Point A Machine Making Lightbulbs Occasionally Makes Defective Lightbulbs The Number Of Defective Lightb 1 (49.96 KiB) Viewed 99 times

please kindly answer all questions 3，4&5 100% correctly below
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: Question 3 1 Point A Machine Making Lightbulbs Occasionally Makes Defective Lightbulbs The Number Of Defective Lightb 2 (49.96 KiB) Viewed 99 times

: Question 3 1 Point A Machine Making Lightbulbs Occasionally Makes Defective Lightbulbs The Number Of Defective Lightb 3 (42.22 KiB) Viewed 99 times

Question 3 (1 point) A machine making lightbulbs occasionally makes defective lightbulbs. The number of defective lightbulbs made in a day follows a Poisson distribution with rate 0.15. What is the probability that it makes at least 2 defective lightbulbs in a day? (Give your answer to 5 decimal places.) Your Answer: Answer Question 4 (1 point) There are three urns. The first contains 1 black balls and 4 white balls. The second contains 2 black balls and 3 white balls. The third contains 6 black balls and O white balls. You choose an urn uniformly at random and then choose a ball from that urn uniformly at random. What is the probability that you chose a black ball? Your Answer:

Question 5 (1 point) There are three urns. The first contains 5 black balls and 1 white balls. The second contains 2 black balls and 2 white balls. The third contains 7 black balls and O white balls. You choose an urn uniformly at random and then choose a ball from that urn uniformly at random. Given you chose a black ball, what is the probability it came from the first urn? Your Answer: