Mathematics, 24.10.2019 06:43 ari8361
Astudy sampled 350 upperclassmen (group 1) and 250 underclassmen (group 2) at high schools around the city of portland. the study was performed at the end of the school year and asked each if they had used steroids at any point in the last school year. of the upperclassmen, 23 claimed to have used steroids in the last school year, and of the underclassmen, 21 claimed to have used steroids. run a 95% confidence interval to test for a significant difference in the proportions of students who used steroids. enter the confidence interval - round to 3 decimal places.
Answers: 3
Mathematics, 21.06.2019 18:30
The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?
Answers: 1
Mathematics, 21.06.2019 19:00
Asap its important using the information in the customer order, determine the length and width of the garden. enter the dimensions.length: feetwidth: feet
Answers: 3
Mathematics, 21.06.2019 21:30
The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.
Answers: 2
Mathematics, 21.06.2019 21:30
How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?
Answers: 1
Astudy sampled 350 upperclassmen (group 1) and 250 underclassmen (group 2) at high schools around th...
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