A shipment of 94 laptops contains 5 defective laptops. A quality control specialist chooses a sample of 9 laptops from the shipment.
How many possible choices of 9 laptops can be made?
How many of these possible selections will not contain any defective laptops?
How many of the possible selections will contain at least one defective laptop?
How many of the possible selections will contain exactly one defective laptop?
A shipment of 94 laptops contains 5 defective laptops. A quality control specialist chooses a sample...
An electronics store receives a shipment of 20 graphing calculators, 8 that are defective. Four of the calculators are selected to be sent to a local high school. (A) How many selections can be made? (B) How many of these selections will contain no defective calculators? (A) selections can be made. (B) selections will contain no defective calculators.
An electronic store receives a shipment of 30 graphing calculators, including 6 that are defective. Four of these calculators are selected to be sent to a local high school. How many selections can be made? How many of this selections will contain two defective calculators?
2. A shipment of 40 fancy calculators contains 5 defective units. In how many ways can a college bookstore buy 20 of these units and receive: a) no defective units b) one defective unit c) at least 17 good units d) What is the probability of the bookstore receiving 2 defective units? e) Find the probability of receiving at most 2 bad calculators. f) Find the probability of receiving at least 4 defective units.
A bin of 50 parts contains 5 that are defective. A sample of 10 parts is selected at random, without replacement. (a) How many different samples of size 10 are there that contain at least three defective parts? (b) How many ways to obtain a sample of 10 parts from the bin of 50? (c) What is the probability of obtaining at least three defectives in a sample of 10 parts?
Suppose that 4 tables in a production run of 50 are defective. A sample of 7 is to be selected to be checked for defects 9. How many different samples can be chosen? a. How many samples will contain at least one defective table? b. What is the probability that a randomly chosen sample of 7 contains at least one defective table? c.
Suppose that 4 tables in a production run of 50 are defective. A sample of 7 is...
A shipment of 12 television sets contains 3 defective sets. In how many ways can a hotel purchase 4 of these sets and receive at least 2 of the defective sets? Select one: a. 108 O b. 24 O c. 495 O d. None O e. 117
A crate contains 30 light bulbs, five of which are defective. A quality control officer randomly selects a committee of three bulbs without replacement. a. Find the probability distribution for X = the number of bulbs (out of three) that are defective. (Please round your probabilities to three decimals.) b. Use your distribution to find the probability that at most one (out of the three) bulbs is defective. c. Use your distribution to find the probability that at least two...
2. Suppose an electronics store receives 30 graphing calculators. a. How many different ways can the store select 4 calculators from among the 30 to send to a customer? b. If 6 of the calculators are defective, how many of the selections contain no defective calculators? c. Use the results of parts a and b to calculate the probability that the customer receives at least one defective calculator. d. How many of these selections contain 1 defective calculators? Combine this...
A quality control specialist at Albertsons grocery knows that on average each grocery store receives 5 complaints from customers per week. (a) What is the probability that for a single store exactly 5 customer complaints are received in a given week? (b) What is the probability that for a single store at least 3 customer complaints are received in a given week? (c) What is the probability that for a single store no more than 3 customer complaints are received...
ains 40. The quality Box of 120 Chips that contains ab Control Managers at t Managers at the plant random select 5 inspect them. What is the probability that exactly One is defective is D. and chip