Mathematics, 25.03.2020 21:37 asialovepink2321
If a researcher wishes to determine whether there is evidence that the mean family income in the U. S. is greater than $30,000, then:
A. a one-tailed test should be used, in which the region of rejection is in the left (lower tail)
B. a one-tailed test should be utilized, in which the region of rejection is in the right (upper tail)
C. a two-tailed test should be used either a one-tailed or a two-tailed test could be used
Answers: 2
Mathematics, 21.06.2019 16:30
The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?
Answers: 1
Mathematics, 21.06.2019 17:30
Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?
Answers: 2
Mathematics, 21.06.2019 19:00
The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels
Answers: 2
Mathematics, 21.06.2019 19:40
What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1
Answers: 2
If a researcher wishes to determine whether there is evidence that the mean family income in the U....
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