Homework Answers
SUMMARY: A carton of 18 rechargeable batteries contains three that batteries and get exactly one defective battery.
We supposed find the number of ways that can an inspector choose 3 of the batteries and get the 4 that is defective.
Here order doesn't matter so, we have to use combinations.
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A carton of 18 rechargeable batteries contains three that batteries and get exactly one defective battery?...
A carton of 18 rechargeable batteries contains three that are defective. What is the probability of an...
A carton of 18 rechargeable batteries contains three that are defective. What is the probability of an inspector choosing 4 of the batteries and get exactly one defective battery? Give your answer to three decimal places. A carton of 18 rechargeable batteries contains three that are defective. In how many ways can an inspector choose 4 of the batteries and get exactly two defective batteries? Give your answer to three decimal places. A carton of 18 rechargeable batteries contains one that...
A carton of 18 rechargeable batteries contains one that is defective. In how many ways can...
A carton of 18 rechargeable batteries contains one that is defective. In how many ways can an inspector choose 4 of the batteries and get the defective battery?
QUESTION 4 A carton of 18 rechargeable batteries contains three that are defective. In how many...
QUESTION 4 A carton of 18 rechargeable batteries contains three that are defective. In how many ways can an inspector choose 4 of the batteries and get exactly taiodefective batteries?
a. In how many ways can 3 out of 11 engineers be assigned to the project...
a. In how many ways can 3 out of 11 engineers be assigned to the project roles of team leader, test engineer, and quality engineer? b. A carton of 18 rechargeable batteries contains three that are defective. In how many ways can an inspector choose 4 of the batteries and get exactly one defective battery?
A 10-pack of batteries has two defective batteries. In how many ways can one select three...
A 10-pack of batteries has two defective batteries. In how many ways can one select three of these batteries and get a. Neither of the defective batteries? b. One of the defective batteries? c. Both of the defective batteries?
Suppose there are 4 defective batteries in a drawer with 10 batteries in it. A sample...
Suppose there are 4 defective batteries in a drawer with 10 batteries in it. A sample of 3 is taken at random without replacement. Let X denote the number of defective batteries in the sample. Find the probability that the sample contains a) Exactly one defective battery b) at most one defective battery. c) at least one defective battery.
A carton of eggs contains two bad ones. In how many ways can we select three...
A carton of eggs contains two bad ones. In how many ways can we select three of the 12 eggs so that a) none of the bad ones are included, b) both of the bad ones are included; c) one of the bad ones are included?
Problem 6 (16 points): One of the most common types of rechargeable batteries is known as...
Problem 6 (16 points): One of the most common types of rechargeable batteries is known as the nickel metal hydride battery, which has the overall reaction NiOOH(aq) + MH(s) - Ni(OH)2(aq) + M(S) E° = 1.35 V where M is a generic transition metal. a. (4 points) Identify the oxidizing agent and the reducing agent in this reaction. b. (4 points) How many electrons are transferred during this reaction? Show your work. c. (8 points) Such batteries need to be...
Problem 6 (16 points): One of the most common types of rechargeable batteries is known as...
Problem 6 (16 points): One of the most common types of rechargeable batteries is known as the nickel metal hydride battery, which has the overall reaction NiOOH(aq) + MH(s) - Ni(OH)2(aq) + M(S) E° = 1.35 V where M is a generic transition metal. a. (4 points) Identify the oxidizing agent and the reducing agent in this reaction. b. (4 points) How many electrons are transferred during this reaction? Show your work. C. (8 points) Such batteries need to be...
Need help with questions 4,5, and 6. 4) A cell phone battery has an energy density...
Need help with questions 4,5, and 6.
4) A cell phone battery has an energy density 550 w-h/L. The volume of the battery is 15 cm. What is the amount of energy stored in this battery (w-h) 2 5) Some batteries are rechargeable, and others are not. Cell phone batteries are rechargeable. Because rechargeable batteries lose their ability to "hold" charge after too many recharges, the manufacturer often indicates how many recharges to expect. What is a typical number of...
A carton of 18 rechargeable batteries contains one that is defective. In how many ways can an inspector choose 4 of the batteries and get the defective battery?
QUESTION 4 A carton of 18 rechargeable batteries contains three that are defective. In how many ways can an inspector choose 4 of the batteries and get exactly taiodefective batteries?
Problem 6 (16 points): One of the most common types of rechargeable batteries is known as the nickel metal hydride battery, which has the overall reaction NiOOH(aq) + MH(s) - Ni(OH)2(aq) + M(S) E° = 1.35 V where M is a generic transition metal. a. (4 points) Identify the oxidizing agent and the reducing agent in this reaction. b. (4 points) How many electrons are transferred during this reaction? Show your work. c. (8 points) Such batteries need to be...
Problem 6 (16 points): One of the most common types of rechargeable batteries is known as the nickel metal hydride battery, which has the overall reaction NiOOH(aq) + MH(s) - Ni(OH)2(aq) + M(S) E° = 1.35 V where M is a generic transition metal. a. (4 points) Identify the oxidizing agent and the reducing agent in this reaction. b. (4 points) How many electrons are transferred during this reaction? Show your work. C. (8 points) Such batteries need to be...
Need help with questions 4,5, and 6.
4) A cell phone battery has an energy density 550 w-h/L. The volume of the battery is 15 cm. What is the amount of energy stored in this battery (w-h) 2 5) Some batteries are rechargeable, and others are not. Cell phone batteries are rechargeable. Because rechargeable batteries lose their ability to "hold" charge after too many recharges, the manufacturer often indicates how many recharges to expect. What is a typical number of...
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