Mathematics, 06.04.2021 01:00 adjjones2011
A researcher wishes to test whether the proportion of college students who smoke is the same in four different colleges. she randomly selects 100 students from each college and records the number that smoke. 17 26 11 34 use a 0.01 significance level to test the claim that the proportion of students smoking is the same at all four colleges select the correct test statistic and conclusion: χ2 = 17.832.
a. Reject the null hypothesis. There is sufficient evidence to warrant rejection of the claim that the proportion of students smoking is the same at all four colleges.
b. Reject the null hypothesis. There is not sufficient evidence to warrant rejection of the claim that the proportion of students smoking is the same at all four colleges.
c. Do not reject the null hypothesis. There is in sufficient evidence to warrant rejection of the claim that the proportion of students smoking is the same at all four colleges.
d. Do not reject the null hypothesis. There is insufficient evidence to warrant rejection of the claim that the proportion of students smoking is the same at all four colleges.
Answers: 1
Mathematics, 21.06.2019 13:30
Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.
Answers: 1
Mathematics, 21.06.2019 15:00
12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?
Answers: 2
Mathematics, 21.06.2019 16:00
Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?
Answers: 1
Mathematics, 21.06.2019 17:40
Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.
Answers: 1
A researcher wishes to test whether the proportion of college students who smoke is the same in four...
Mathematics, 13.07.2019 18:30
World Languages, 13.07.2019 18:30
Mathematics, 13.07.2019 18:30
Geography, 13.07.2019 18:30
Chemistry, 13.07.2019 18:30
History, 13.07.2019 18:30