Mathematics, 05.05.2021 01:40, elijahjacksonrp6z2o7
A study was conducted to compare the proportion of drivers in Boston and New York who wore seat belts while driving. Data were collected, and the proportion wearing seat belts in Boston was 0.581 and the proportion wearing seat belts in New York was 0.832. Due to local laws at the time the study was conducted, it was suspected that a smaller proportion of drivers wear seat belts in Boston than New York.
Required:
a. Find the test statistic for this test using Ha: pB < pNY. (Use standard error = 0.1.)
b. Determine the p value.
Answers: 3
Mathematics, 21.06.2019 17:40, JordanJones04402
Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)
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Mathematics, 21.06.2019 23:20, lyss12326
Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?
Answers: 1
Mathematics, 22.06.2019 01:00, pineapplepizaaaaa
Which number produces an irrational number multiplied by 1/3
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