Mathematics, 08.11.2020 14:00 moinhajra
In a survey of 850 students in a school, 90% reported having pets at home. If the margin of error is ±3.4%, what is the interval that is likely to contain the exact percent of all people who have pets at home?
a) between 90% and 93.4%
b)between 86.6% and 93.4
c) between 86.6% and 90%
d) between 3.4% and 90%
Answers: 3
Mathematics, 21.06.2019 17:00
Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis
Answers: 2
Mathematics, 22.06.2019 00:00
Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?
Answers: 2
Mathematics, 22.06.2019 01:30
(01.03 mc) which of the following is a step in simplifying the expression x multiplied by y to the power of 2 over x to the power of negative 3 multiplied by y to the power of 3, the whole to the power of negative 4. select one: a. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 7 multiplied by y to the power of negative 1. b. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of 12 multiplied by y to the power of negative 12. c. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of negative 3 multiplied by y to the power of 3. d. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 3 multiplied by y to the power of 3.
Answers: 3
In a survey of 850 students in a school, 90% reported having pets at home. If the margin of error is...
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