Mathematics, 24.08.2019 20:00 alexcarrasco5903
Billieís monthly cell phone bill includes the cost of cell phone service, 15% tax on the cost of the cell phone service, and a $9.25 data fee. billieís monthly cell phone bill totals $61.
what is the cost of the cell phone service before tax is added?
Answers: 1
Mathematics, 21.06.2019 19:30
Now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
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 03:30
Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq less than 132. the probability that a randomly selected adult has an iq less than 132 is?
Answers: 1
Billieís monthly cell phone bill includes the cost of cell phone service, 15% tax on the cost of the...
Social Studies, 17.10.2020 03:01
Mathematics, 17.10.2020 03:01
Social Studies, 17.10.2020 03:01
History, 17.10.2020 03:01
English, 17.10.2020 03:01
Social Studies, 17.10.2020 03:01
Arts, 17.10.2020 03:01
Geography, 17.10.2020 03:01
Mathematics, 17.10.2020 03:01
Chemistry, 17.10.2020 03:01
Mathematics, 17.10.2020 03:01
Chemistry, 17.10.2020 03:01
History, 17.10.2020 03:01