Three defective electric toothbrushes probability problem

Related BrainMass Solutions

• Probability of Defective Electric Toothbrushes

  149445 Three defective electric toothbrushes were accidentally shipped to a drug store called Clean-brush products along with 17 non-defective ones.

• Probability and Statistics

  What is the probability the first two electric toothbrushes sold will be returned to the drugstore because they are defective? CH5 problem 78 The state of Maryland has license plates with three numbers followed by three letters.

• Probability - Defectives, Cards

  5747 Probability - Defectives, Cards 12) If 3% of the electric bulbs manufactured by a company are defective, find the probability that in a sample of 100 bulbs, five are defective 13) Three cards are drawn from a deck of 52 cards without replacement

• Constraining factors and product lines to emphasize

  After expansion, the factory will have a production capacity of 4,300 machine hours per month. the plant can manufacture either 65 standard elecetric toothbrushes or 23 deluxe electric toothbrushes per machine hour.

• Probability- Binomial distribution

  The probability that any part in the bin is defective is 3.5E-3.  If three parts are selected at random from the bin, what is the probability that exactly two are defective?  Please explain equation used and steps to solve the problem.

• Working with conditional probability.

  4493 Conditional probability: Example problem There are 12 light bulbs, 5 of which are defective. All bulbs look alike and have an equal probability of being chosen. Three light bulbs are selected and placed on the table.

• Find the probability of observing an event.

  Find the probability that (a) All three are good. (b) The first 2 are good and the third is defective. (c) Two are good and 1 is defective.

• Clarification of Probability Problem

  88842 Clarification of Probability Problem Suppose 1.5 percent of the antennas on new Nokia cell phones are defective. For a random sample of 10 antennas, find the probability that: a. None of the antennas is defective. b.

• Random Sample

  What is the probability that 3 or more defective disks are found in the sample? c. What is the probability that less than 2 defective disks are found in the sample? d. What is the probability that all the disks in the sample are defective? e.