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Be sure to fully justify your responses when appropriate! Show where all your numbers came from if not explicitly written. Don't forget Units and
Be sure to fully justify your responses when appropriate! Show where all your numbers came from if not explicitly written. Don't forget Units and use complete sentences when appropriate/asked for. 1. [10 pts] We bought a pack of 10 lightbulbs from a garage sale and 6 of them don't work. If we were to collect a random sample of 2 lightbulbs (no replacement) and count the number of lightbulbs that are defective, create a probability distribution for this discrete random variable. a) First, define your random variable 'X' The random variable 'X' will be defined as the number of defective lightbulbs in a random sample of 2 lightbulbs chosen without replacement from the pack of 10 bulbs. X can take from values 0 to 2, where X=0 means both bulbs are working, X=1 means one bulbs is working, and X=2 means both bulbs are defective. b) Next, showing work for all of your probabilities in the space below, fill in the table below (round probabilities to 4 decimal places): X P(X)
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