valenciafaithtorres
24.06.2019 •
Mathematics
The student newspaper at a college asks a simple random sample of 250 undergraduates, “do you favor eliminating supplemental fees for lab courses? ” in all, 150 of the 250 are in favor of eliminating such fees. suppose that unknown to you 55% of all undergraduates favor eliminating supplemental fees for lab courses. if you took a very large number of simple random sample of size n = 250 from this population, the sampling distribution of the sample proportion p would be approximately normal, the mean and standard deviation would be approximately what value?
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Ответ:
Janet put 6 red counters into the bag
Step-by-step explanation:
There are 5 yellow counters for every 1 red counter. If there are 20 yellow counters in the bag then there are 4 red counters. (20/5). If the ratio becomes 1:2 this means there are 2 yellow counters for every 1 red counter. There are 20 yellow counters so there must be 10 red counters in the bag. (20/2). 10 - 4 = 6. Janet put 6 red counters into the bag. (Brainliest would be appreciated!)