Suppose it is known that 4 out of 50 batteries shipped to an auto parts store...
Suppose it is known that 4 out of 50 batteries shipped to an auto parts store are defective. A fleet manager then buys 7 of the batteries from the store. What is the probability that at least 3 of the batteries purchased by the fleet manager are defective?
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Suppose it is known that 4 out of 50 batteries shipped to an
auto parts store...
Suppose 4 out of 40 batteries shipped to an auto parts store are defective. A fleet...
Suppose 4 out of 40 batteries shipped to an auto parts store are defective. A fleet manager then buys 6 of the batteries from the store. What is the probability that at least 3 of the batteries purchased by the fleet manager are defective?
A) An organization has 22 Math majors and 26 English majors. A fund-raising committee of 7...
A) An organization has 22 Math majors and 26 English majors. A fund-raising committee of 7 members is selected at random. In how many ways can at least one English major be on the fund-raising committee? B) Suppose it is known that 4 out of 40 batteries shipped to an auto parts store are defective. A fleet manager then buys 7 of the batteries from the store. What is the probability that at least 3 of the batteries purchased by...
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 shipment of 50 parts contains 12 defective parts. Suppose 3 parts are selected at random,...
A shipment of 50 parts contains 12 defective parts. Suppose 3 parts are selected at random, without replacement, from the shipment. What is the probability that at least one part is defective? 0.5696 0.5610 0.1435 0.0427
43. A company is producing parts to sell to an auto parts store. The store buys...
43. A company is producing parts to sell to an auto parts store. The store buys in batches of 100, and pays the company $800 for each batch of 100 sold. The cost for the company to make x parts is modeled by the function c(x) = +5x-10. To the nearest whole dollar, what is the maximum possible profit for the company? (4) 578 (B) 585 (C) 586 (D) 600 (E)
A company makes auto batteries. They claim that 81% of their LL70 batteries are good for 70 month...
1.
2.
3.
A company makes auto batteries. They claim that 81% of their LL70 batteries are good for 70 months or longer. Assume that this claim is true. Let p be the proportion in a random sample of 70 such batteries that are good for 70 months or more. a. What is the probability that this sample proportion is within 0.02 of the population proportion? Round your answer to two decimal places b. What is the probability that this...
A bin of 50 parts contains 5 that are defective. A sample of 10 parts is...
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?
In an auto repair shop, mechanics requiring parts for auto repair present their request forms at...
In an auto repair shop, mechanics requiring parts for auto repair present their request forms at the parts department counter. A parts clerk fills a request while the mechanics wait. Mechanics arrive at an average rate of 35 per hour (Poisson). A clerk can fill requests in 6 minutes (exponential). Suppose that the manager of the parts department decides to have 4 parts clerks. 1: What is the probability that a new request will have to wait for service? 2:...
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...
E22A-35 (similar to) Northem Auto Parts, a famly-owned auto parts store, began January wih $10 100...
E22A-35 (similar to) Northem Auto Parts, a famly-owned auto parts store, began January wih $10 100 cash. Management forecasts thatl collections om oredi custiomers will be $11,800 in January and $14.900 in February. The stone is scheduled to receive $4 50 cash on abusiness noie fecer atienJanuary Prgeeted caih pay meres ndude inventory purchases ($12.200 i, January and $12300 in Febrary) and Ming and Sdnatab gexpenses 200 oach moti Northern Auto Parts bank as-ttle as poss ble and pays back...
43. A company is producing parts to sell to an auto parts store. The store buys in batches of 100, and pays the company $800 for each batch of 100 sold. The cost for the company to make x parts is modeled by the function c(x) = +5x-10. To the nearest whole dollar, what is the maximum possible profit for the company? (4) 578 (B) 585 (C) 586 (D) 600 (E)
1.
2.
3.
A company makes auto batteries. They claim that 81% of their LL70 batteries are good for 70 months or longer. Assume that this claim is true. Let p be the proportion in a random sample of 70 such batteries that are good for 70 months or more. a. What is the probability that this sample proportion is within 0.02 of the population proportion? Round your answer to two decimal places b. What is the probability that this...
E22A-35 (similar to) Northem Auto Parts, a famly-owned auto parts store, began January wih $10 100 cash. Management forecasts thatl collections om oredi custiomers will be $11,800 in January and $14.900 in February. The stone is scheduled to receive $4 50 cash on abusiness noie fecer atienJanuary Prgeeted caih pay meres ndude inventory purchases ($12.200 i, January and $12300 in Febrary) and Ming and Sdnatab gexpenses 200 oach moti Northern Auto Parts bank as-ttle as poss ble and pays back...
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