Mathematics, 20.07.2021 22:50 iritike3347
A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective.
a. Suppose a sample of 865 floppy disks is drawn. Of these disks, 112 were defective. Using the data, estimate the proportion of disks which are defective.
b. Suppose a sample of 865 floppy disks is drawn. Of these disks, 112 were defective. Using the data, construct the 95% confidence interval for the population proportion of disks which are defective.
Answers: 2
Mathematics, 21.06.2019 20:00
Which of these tools or constructions is used to inscribe a hexagon inside a circle?
Answers: 1
Mathematics, 21.06.2019 22:50
Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables
Answers: 3
Mathematics, 21.06.2019 23:30
Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?
Answers: 3
A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which a...
Mathematics, 18.10.2021 14:20
Mathematics, 18.10.2021 14:20
English, 18.10.2021 14:30
Mathematics, 18.10.2021 14:30
English, 18.10.2021 14:30
Physics, 18.10.2021 14:30
Biology, 18.10.2021 14:30
English, 18.10.2021 14:30
Mathematics, 18.10.2021 14:30