Mathematics, 04.04.2020 07:30 jheriann
According to the 2010 Census, 11.4% of all housing units in the United States were vacant. A county supervisor wonders if her county is different from this. She randomly selects 850 housing units in her county and finds that 129 of the housing units are vacant.
a) State the hypotheses.
b) Name the model and check appropriate conditions for a hypothesis test.
c) Draw and label a sketch, and then calculate the test statistic and P-value.
d) State your conclusion.
Answers: 2
Mathematics, 21.06.2019 13:30
Patel’s class voted on their favorite color. patel plans to make a circle graph to display the results. which statements are true about the circle graph patel can create? check all that apply.
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Mathematics, 21.06.2019 20:00
The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212
Answers: 1
Mathematics, 21.06.2019 22:00
You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?
Answers: 3
Mathematics, 21.06.2019 22:30
The area of a circle is equal to 1 dm². find the radius of the circle.
Answers: 1
According to the 2010 Census, 11.4% of all housing units in the United States were vacant. A county...
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