One light bulb is selected at random from a lot of 150 light bulbs, of which 6% are defective. What is the probability that the light bulb selected is defective?
probability is number of defective bulbs over total number of bulbs. 6% of 150 over 150. probability = 3/50
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To find the probability that the selected light bulb is defective, we can simply multiply the percentage of defective bulbs by the total number of bulbs. So, 6% of 150 is (6/100) * 150 = 9.
Therefore, the probability of selecting a defective light bulb is 9 out of 150, which can be simplified to 3 out of 50, or 3/50.
So, the probability is 3/50 or approximately 0.06.
To find the probability that the light bulb selected is defective, we need to determine the number of defective bulbs and then divide it by the total number of bulbs.
1. Determine the number of defective bulbs:
6% of 150 bulbs are defective.
6% = 6/100 = 0.06
Number of defective bulbs = 0.06 * 150 = 9
2. Find the probability:
Probability = Number of defective bulbs / Total number of bulbs
Probability = 9 / 150
Probability = 0.06
Therefore, the probability that the light bulb selected is defective is 0.06 or 6%.
To find the probability of selecting a defective light bulb, we first need to determine the number of defective light bulbs in the lot.
Given that 6% of the light bulbs are defective, we can calculate this by multiplying the total number of light bulbs by the percentage of defective light bulbs:
Number of defective light bulbs = 150 x 0.06 = 9
Now that we know there are 9 defective light bulbs, we can calculate the probability of selecting a defective light bulb by dividing the number of defective light bulbs by the total number of light bulbs:
Probability of selecting a defective light bulb = Number of defective light bulbs / Total number of light bulbs
Probability of selecting a defective light bulb = 9 / 150 = 0.06
Therefore, the probability that the light bulb selected is defective is 0.06 or 6%.