Mathematics, 30.10.2019 05:31 clairesmom
John’s father is 5 times older than john and john is twice as old as his sister alice. in two years time, the sum of their ages will be 58. how old is john
Answers: 1
Mathematics, 21.06.2019 17:00
Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation
Answers: 1
Mathematics, 21.06.2019 22:00
The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample
Answers: 1
Mathematics, 22.06.2019 02:20
Two researchers are attempting to create a new psychotherapy protocol that more reduces panic attacks. they believe that they have succeeded and are now in the clinical trial period of their protocol's development. they are working with several cohort groups, some of which have been through the new protocol, while others have done the standard protocol currently recommended. if these researchers are interested in evaluating the difference in the percentage of test subjects who successfully decreased their panic attacks in 2 months on the new protocol versus the percentage of test subjects who successfully decreased their panic attacks in 2 months with the traditional protocol, which of the following statistical tests would be most appropriate? a. analysis of variance (anova) b. correlation c. chi-square test d. paired t-test e. independent t-test
Answers: 2
Mathematics, 22.06.2019 06:30
Of 400 people at the school carnival, 95% are students and the rest are teachers. a. how many students are at the school carnival? b. if 55% of the students at the school carnival are boys, how many are girls? c. how many teachers are at the school carnival? d. if 35% of the teachers are male and the rest are female, how many female teachers are at the carnival?
Answers: 3
John’s father is 5 times older than john and john is twice as old as his sister alice. in two years...
Social Studies, 22.07.2021 01:00
Mathematics, 22.07.2021 01:00
Mathematics, 22.07.2021 01:00
Mathematics, 22.07.2021 01:00
Mathematics, 22.07.2021 01:00
Mathematics, 22.07.2021 01:00
Mathematics, 22.07.2021 01:00
History, 22.07.2021 01:00
Mathematics, 22.07.2021 01:00