finite math
posted by ophelia .
a quality control engineer at a light bulb plant estimated that 1% of the bulbs it sells are defective. if you purcgase a package of 3 bulbs what is the probability that exactly one of them is defective?
Respond to this Question
Similar Questions

math
A manufacturer of light bulbs knows that 3% of the production of their 60W bulbs will be defective. What is the probability that exactly 5 bulbs in a carton of 144 will ne defective? 
math
A manufacturer of light bulbs knows that 3% of the production of their 60W bulbs will be defective. What is the probability that exactly 5 bulbs in a carton of 144 will ne defective? 
math
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? 
finite math
a quality control engineer at a light bulb plant estimated that 1% of the bulbs it sells are defective. if you purcgase a package of 3 bulbs what is the probability that exactly one of them is defective? 
Statistics
A box contains 12 lights bulbs, of which 4 are defective. All bulbs look alike and have equal chance of being chosen. 3 light bulbs are selected from the box to check the quality. a. List all the possible outcomes b. find the probability … 
maths
A box contains 12 bulbs with 3 defective ones. If two bulbs are drawn from the box together.what is the probability that a)both bulbs are defetive b)both are non defective c)one bulb is defective? 
Math
A firm manufactures light bulbs and those that come out of the assembly line are either defective or good. Every five bulbs that come out, 1 is defective. If 3 bulbs are selected at random, what is the probability that: (i) All 3 are … 
Maths
In a large lot of electric light bulbs,5% of the bulbs are defective.calculate the probability that a random sample of 20 will contain at most 2 defective bulbs? 
Probability
A company produces light bulbs, and finds that approximately 2% of the light bulbs they produce are defective. The company wants to make a moneyback guarantee that in every box of 10 light bulbs, no more than 1 will be defective. … 
Probabilities
Need some help please! A box contains four good light bulbs and three defective ones. Bulbs are selected one at a time (without replacement). Find the probability that the second defective bulb is found on the third selection.