Mathematics, 05.05.2020 22:36 mdaniella522
A relief fund is set up to collect donations for the families affected by recent storms. A random sample of 400 people shows that 28% of those 200 who were contacted by telephone actually made contributions compared to only 18% of the 200 who received first class mail requests. Which formula calculates the 95% confidence interval for the difference in the proportions of people who make donations if contacted by telephone or first class mail?
Answers: 2
Mathematics, 21.06.2019 15:30
If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80
Answers: 2
Mathematics, 22.06.2019 04:30
Moesha is (3g+1) years old and shanti is twice moesha age. find the sum of the ages of moesha and shanti in 2 years time. how old will shanti be when moeshas age in twice her present age? find how old moesha and shanti were 4 years ago if g= 5
Answers: 2
A relief fund is set up to collect donations for the families affected by recent storms. A random sa...
Biology, 04.08.2019 11:00
Mathematics, 04.08.2019 11:00
Mathematics, 04.08.2019 11:00
History, 04.08.2019 11:00
Mathematics, 04.08.2019 11:00
Mathematics, 04.08.2019 11:00
History, 04.08.2019 11:00
History, 04.08.2019 11:00
History, 04.08.2019 11:00
Social Studies, 04.08.2019 11:00
History, 04.08.2019 11:00