Mathematics, 09.04.2021 23:00 bikkiecuanas13
There are black counters and blue counters in a bag in the ratio 5:4
14 blue counters are added and the ratio becomes 2 : 3
Work out how many black counters there are in the bag.
black counters
Submit Answer
Answers: 3
Mathematics, 22.06.2019 01:30
Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?
Answers: 1
Mathematics, 22.06.2019 04:50
Astudy claims that the mean age of online dating service users is 40 years. some researchers think this is not accurate and want to show that the mean age is not 40 years. identify the null hypothesis, h0, and the alternative hypothesis, ha, in terms of the parameter μ. select the correct answer below: h0: μ≥40; ha: μ< 40 h0: μ≤40; ha: μ> 40 h0: μ≠40; ha: μ=40 h0: μ=40; ha: μ≠40
Answers: 3
Mathematics, 22.06.2019 05:30
Sheila and her study partner flipped a coin 120 times. they flipped 70 heads and 50 tails. what is the experimental probability that the next flip will be heads up?
Answers: 1
Mathematics, 22.06.2019 05:40
Abookstore owner is having a sale the book bart wants was originally priced at $14.99 the book is now $10.04 by what percentage was the price reduced
Answers: 1
There are black counters and blue counters in a bag in the ratio 5:4
14 blue counters are added and...
English, 15.04.2021 04:50
History, 15.04.2021 04:50
Mathematics, 15.04.2021 04:50
Mathematics, 15.04.2021 04:50
Mathematics, 15.04.2021 04:50
Mathematics, 15.04.2021 04:50
Arts, 15.04.2021 04:50
Computers and Technology, 15.04.2021 04:50
Mathematics, 15.04.2021 04:50
Mathematics, 15.04.2021 04:50
Geography, 15.04.2021 04:50
History, 15.04.2021 04:50
Mathematics, 15.04.2021 04:50
Mathematics, 15.04.2021 04:50