Q3: Five of the light bulbs in a box of nine bulbs are burnt out or otherwise defective. If wo bulbs are selected at random without replacement and tested. - If the first bulb is normal, what is the probability that the second bulb is defective? 2- If the first bulb is normal, what is the probability that the second bulb is also normal? - what is the probability that exactly one defective bulb is found? - what is the probability that exactly two normal bulbs are found?

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A:

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Q: nequation form, Fare = 2.85 ssman collects all his taxicab rec ries. The mean fare he paid was

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A: Given: n = 9 Formula Used: r = n∑XY-∑X∑Yn∑X2-∑X2n∑Y2-∑Y2

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