Question

A manufacturer of halogen bulbs knows that 5% of the production of their bulbs will be...

A manufacturer of halogen bulbs knows that 5% of the production of their bulbs will be defective. Answer without decimal places.

a)What is the probability that exactly 3 bulbs in a carton will be defective? %

b)what is the probability that as least 2 bulbs in a carton of 20 will be defective? %

c) what is the probability that at most 2 bulbs in a carton of 20 bulbs will be defective? %

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

The number of defective bulbs in a carton of bulbs has Binomial distribution with .

The PMF of is .

a) In this part number of bulbs in the carton is not given.

Taking , the probability that exactly 3 bulbs in a carton will be defective is

b) The probability that as least 2 bulbs in a carton of 20 will be defective is

c) The probability that at most 2 bulbs in a carton of 20 bulbs will be defective is

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A manufacturer of light bulbs knows that, out of every package of 5 sold, there is...
A manufacturer of light bulbs knows that, out of every package of 5 sold, there is an expectation that 1 will be defective. A customer purchases 3 of these packages (a total of 15 light bulbs). What is probability that at most 2 are defective?
A box contains 100 light bulbs of which 22 are defective. Suppose 2 light bulbs are...
A box contains 100 light bulbs of which 22 are defective. Suppose 2 light bulbs are selected without replacement. What is the probability that at least one of them is defective? Give your answer to 3 places past the decimal.
A manufacturer of window frames knows from long experience that 5% of the production will have...
A manufacturer of window frames knows from long experience that 5% of the production will have some type of minor defect that will require adjustment. What is the probability that in a sample of 20 window frames None will need adjustment At least one will need adjustment More than two will need adjustment
A quality control inspector has drawn a sample of 14 light bulbs from a recent production...
A quality control inspector has drawn a sample of 14 light bulbs from a recent production lot. If the number of defective bulbs is 1 or less, the lot passes inspection. Suppose 20% of the bulbs in the lot are defective. What is the probability that the lot will pass inspection? Round your answer to four decimal places.
A package contains 4 light bulbs. The following table gives the probability distribution (pdf) of the...
A package contains 4 light bulbs. The following table gives the probability distribution (pdf) of the number of broken bulbs in the package. A random package is selected. Use the table to answer the following questions: pdf for DRV X 0 1 2 3 4 p(x) 0.66 0.20 ? 0.05 0.02 What is the probability that there are exactly 2 defective bulbs in a package? What is the probability that there are at most 2 defective bulbs in a package?...
A quality control inspector has drawn a sample of 19 light bulbs from a recent production...
A quality control inspector has drawn a sample of 19 light bulbs from a recent production lot. If the number of defective bulbs is 2 or more, the lot fails inspection. Suppose 30% of the bulbs in the lot are defective. What is the probability that the lot will fail inspection? Round your answer to four decimal places.
If 3% of the electric bulbs manufactured by a company are defective find the probability that...
If 3% of the electric bulbs manufactured by a company are defective find the probability that in a sample of 100 bulbs exactly 5 bulbs are defective. Round the answer to 3 s.f
A manufacturer of computer chips claims that the probability of a defective chip is 0.004. The...
A manufacturer of computer chips claims that the probability of a defective chip is 0.004. The manufacturer sells chips in batches of 600 to major computer companies. a. How many defective chips would you expect in a batch? (Round the final answer to 2 decimal places.) Number of chips            b. What is the probability that none of the chips are defective in a batch? (Round the final answer to 4 decimal places.) Probability            c. What is the probability at least...
) An electronics retailer purchases ICs from a manufacturer. The manufacturer indicates that the defective rate...
) An electronics retailer purchases ICs from a manufacturer. The manufacturer indicates that the defective rate of the ICs is 3%. a. An inspector randomly picks 20 ICs from a shipment. What is the probability that there will be at least one defective IC in the shipment? b. Suppose the retailer receives 10 shipments in a month and the inspector randomly tests 20 ICs per shipment. What is the probability that there will be exactly 3 shipments each containing at...
A manufacturer knows that their items have a normally distributed length, with a mean of 20...
A manufacturer knows that their items have a normally distributed length, with a mean of 20 inches, and standard deviation of 5 inches. If one item is chosen at random, what is the probability that it is less than 13.7 inches long? (Give answer to 4 decimal places.)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT