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 16:20
Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?
Answers: 1
Mathematics, 21.06.2019 23:30
At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250
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Mathematics, 22.06.2019 01:30
What is the solution to the system of equations? y=1.5-3 y=-x
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