Mathematics, 28.06.2019 19:50 gatorr2010
Most people can roll their tongues, but many people can’t. whether or not a person can roll his tongue is genetically determined. suppose we are interested in determining what fraction of students can roll their tongues. a recent news article claimed that 75% of people can roll their tongues, whereas others claim that the percentage is not 75%. we get a simple random sample of 400 students and find that 317 can roll their tongues. is this significant evidence that the percent of students that can roll their tongues is different from 75%? carry out the appropriate hypothesis test. be sure to write down the null and alternative hypotheses, find the test statistic and the p-value, and state your conclusions.
Answers: 1
Mathematics, 21.06.2019 14:00
Afunction is given: f(x)=3x+12 a. determine the inverse of this function and name it g(x) b. use composite functions to show that these functions are inverses. c. f(g(– explain: what is the domain?
Answers: 1
Mathematics, 21.06.2019 18:00
Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit
Answers: 3
Mathematics, 21.06.2019 22:30
Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319
Answers: 1
Most people can roll their tongues, but many people can’t. whether or not a person can roll his tong...
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