Mathematics, 16.12.2019 22:31 lukelara
There are rumors that students at a certain liberal arts college are more inclined to use drugs than u. s. college students in general. suppose that in a simple random sample of 100 students from the college, 19 admitted to marijuana use. the national proportion is known to be 0.157.
what is the appropriate null hypothesis? a. the proportion of students who use drugs at this college is less 0.157b. the proportion of students who use drugs at this college is equal to 0.157c. the proportion of students who use drugs at this college is greater than 0.157d. the proportion of students who use drugs at this college is not related to the proportion of all students who use drugs in the u. s.
Answers: 1
Mathematics, 21.06.2019 17:30
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
Answers: 2
Mathematics, 21.06.2019 18:00
Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6
Answers: 2
Mathematics, 21.06.2019 18:30
The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?
Answers: 3
Mathematics, 22.06.2019 00:30
Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.
Answers: 3
There are rumors that students at a certain liberal arts college are more inclined to use drugs than...
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