An electronic store receives a shipment of 30 graphing calculators, including 6 that are defective
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An electronic store receives a shipment of 30 graphing calculators, including 6 that are defective
An electronics store receives a shipment of 20 graphing calculators, 8 that are defective. Four of...
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 electronics store receives a shipment of 20 graphing calculators, including 3 that are defective
An electronics store receives a shipment of 20 graphing calculators, including 3 that are defective. Four of the calculators are selected to be sent to a local high school. A. How many selection can be made using the originial shipment?
2. Suppose an electronics store receives 30 graphing calculators. a. How many different ways can the...
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 shipment of 30 inexpensive digital watches, including 10 that are defective, is sent to a...
A shipment of 30 inexpensive digital watches, including 10 that are defective, is sent to a department store. The receiving department selects 10 at random for testing and rejects the whole shipment if 1 or more in the sample are found defective. What is the probability that the shipment will be rejected? The probability the shipment will be rejected is _______ . (Simplify your answer. Type an integer or decimal rounded to two decimal places as needed.)
A shipment of 94 laptops contains 5 defective laptops. A quality control specialist chooses a sample...
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?
2. A shipment of 40 fancy calculators contains 5 defective units. In how many ways can...
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.
Two high school math teachers disagree about the use of hand calculators. Miss Smith maintains that...
Two high school math teachers disagree about the use of hand calculators. Miss Smith maintains that children who use calculators never learn to do arithmetic correctly, whereas Miss Winters maintains that they do. To settle the argument, they selected five students who had calculators and five who did not, and made a totally unwarranted assumption that the presence or absence of calculators was all that distinguished these children. They then gave each child three 10-point tests (addition, subtraction and multiplication),...
1.How many possible orderings of letters ABCDEFG are there? 2.How many strings of length 4 can be made using the letters...
1.How many possible orderings of letters ABCDEFG are there? 2.How many strings of length 4 can be made using the letters ABCDEFG? 3.How many subsets of size 4 are there of the letters ABCDEFG. 4.How many possible strings are there of the letters "MATTER"? 5.Consider four books: an engineering book (E), a physics book (P), a history book (H), and an Art book (A). Consider the following problem: Suppose that the library has at least six copies of each of...
protuction line hanl between two consecutive defective light bulbs from a he th probaform distribution over...
protuction line hanl between two consecutive defective light bulbs from a he th probaform distribution over an interval from 50 to 130 minutes. What is the probability that interval 4. Suppose the time interval tw distributiono production line has a be at least 110 minutes? the time interval between two consecutive defective light bulbs will a. 0 с. 0.50 d. 0.25 Suppose the time interval between two consecutive defective light bulbs from a production line has a uniform distribution over...
Problem 6 Five applicants for a job are ranked according to ability, with being the best....
Problem 6 Five applicants for a job are ranked according to ability, with being the best. These rankings are unknown to an employer, who simply hires two applicants at random. What is the probability that this employer hires exactly one of the two best applicants? Problem 7 Five motors ( through 5) are available for use, and motor 2 is defective. Motors 1 and 2 come from supplier I, and motors 3, 4, and 5 come from supplierIL. Suppose two...
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.
Two high school math teachers disagree about the use of hand calculators. Miss Smith maintains that children who use calculators never learn to do arithmetic correctly, whereas Miss Winters maintains that they do. To settle the argument, they selected five students who had calculators and five who did not, and made a totally unwarranted assumption that the presence or absence of calculators was all that distinguished these children. They then gave each child three 10-point tests (addition, subtraction and multiplication),...
protuction line hanl between two consecutive defective light bulbs from a he th probaform distribution over an interval from 50 to 130 minutes. What is the probability that interval 4. Suppose the time interval tw distributiono production line has a be at least 110 minutes? the time interval between two consecutive defective light bulbs will a. 0 с. 0.50 d. 0.25 Suppose the time interval between two consecutive defective light bulbs from a production line has a uniform distribution over...
Problem 6 Five applicants for a job are ranked according to ability, with being the best. These rankings are unknown to an employer, who simply hires two applicants at random. What is the probability that this employer hires exactly one of the two best applicants? Problem 7 Five motors ( through 5) are available for use, and motor 2 is defective. Motors 1 and 2 come from supplier I, and motors 3, 4, and 5 come from supplierIL. Suppose two...
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