Mathematics, 12.12.2019 23:31 nev322
Last year, the proportion of tax filers that received a refund was 25%. an accountant believes this upcoming tax year will have a smaller proportion of tax refunds than the proportion from last year. interested in studying this further, the accountant samples a few of their clients and determines the proportion that receive a refund for this upcoming tax year is 19%. as the accountant sets up a hypothesis test to determine if their belief about this upcoming tax year is correct, what is the accountant's claim?
select the correct answer below: a. people should not expect a tax refund this upcoming year. b. the proportion of tax filers that receive a refund is less than 25%.c. the proportion of tax filers that receive a refund is less than 19%.d. the proportion of tax filers that receive a refund is greater than 25%.
Answers: 2
Mathematics, 21.06.2019 21:00, OceanClaws
The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm
Answers: 1
Mathematics, 21.06.2019 22:30, 713073
Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.
Answers: 2
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