karlacr5117
14.04.2020 •
Mathematics
In a survey of eating habits, 3800 national adults were selected randomly and contacted by telephone. Respondents were asked, "Typically, how many times per week do you purchase food at a fast-food restaurant or convenience store?" On average, those surveyed purchased food at a fast-food restaurant or convenience store 2.4 times per week.
Which of the following is true with respect to this scenario?
a.) 3800 is the size of the population being studied
b.) 2.4 is a parameter, and represents an estimate of the unknown value of a statistic of interest
c.) 2.4 is a statistic and represents an estimate of the unknown value of a parameter of interest.
d.) None of the above
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Ответ:
The length of the beetle in the drawing is 9 cm.
Step-by-step explanation:
Hi, since is a scaling up scale, we have to multiply the original length of the beetle (1.8 cm) by 5 to obtain the length of the beetle in the drawing.
Mathematically speaking
5 x 1.8 = 9 cm
The length of the beetle in the drawing is 9 cm.
This type of scale is used to increase in size.
Feel free to ask for more if needed or if you did not understand something.