10. Show work when needed. A researcher wants to investigate the number of hours high school students spend doing
homework each night. After surveying 1,200 high school students, the researcher makes the
claim that she is 95% confident that the number of hours students spend doing homework each
night is between 0.6 and 2.8 hours.
a. What is the mean and margin of error for this confidence interval?

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answer: y=4000x+14000

step-by-step explanation:

in if you ask questions, the points are taken from your total and given to the one who answered it..

so if i have 30 points and i ask a question for 5 points, then when someone asks a question i will lose 5 points and the answerer earns 5

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explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is: