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 with the result of part a to find the probability that a selection contains exactly one defective calculator.
I am struggling with part (d)
Homework Answers
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2. Suppose an electronics store receives 30 graphing
calculators.
a. How many different ways can the...
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 electronic store receives a shipment of 30 graphing calculators, including 6 that are defective
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?
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. 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.
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answer must be three decimal places
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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.
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answer must be three decimal places
A stereo store is offering a special price on a complete set of components (receiver, compact disc player, speakers, turntable). A purchaser is offered a choice of manufacturer for each component: Receiver: Kenwood, Onkyo, Pioneer, Sony, Sherwoocd Compact disc player: Onkyo, Pioneer, Sony, Technics Speakers: Boston, Infinity, Polk Turntable: Onkyo, Sony, Teac, Technics A switchboard display in the store allows a customer to hook together any selection of components (consisting of one of each...
A stereo store is offering a special price on a complete set of components (receiver, compact disc player, speakers, cassette deck). A purchaser is offered a choice of manufacturer for each component Receiver Compact disc player: Speakers: Cassette deck: Kenwood, Sony, Sherwood Onkyo, Pioneer, Sony, Technics Boston Onkyo, Sony, Teac, Technics A switchboard display in the store allows a customer to hook together any selection of components (consisting of one of each type). Use the product rules to answer the...
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