Mathematics, 20.11.2019 22:31 eggoysters
The buyer for an electronics store wants to estimate the propertion of defective wireless game controllers in a shipment of 5,000 controllers from the store's primary supplier. the shipmeat consists of 200 boxes each containing 25 controllers. the buyer numbers the boxes from 1 to 200 and randomly selects six numbers in that range. she then opens the six boxes with the corresponding numbers, examines all 25 controllers in each of these boxes, and determines the proportion of the 150 controllers that are defective. what type of sample is this? (a) biased random sample (b) nonrandom sample (c) simple random sample (d) stratified random sample (e) cluster random sample
Answers: 3
Mathematics, 21.06.2019 14:00
Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?
Answers: 1
Mathematics, 21.06.2019 20:00
Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?
Answers: 1
The buyer for an electronics store wants to estimate the propertion of defective wireless game contr...
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