When Jonas becomes the Receiver of Memory, he gets a rule that he may not tell his dreams. He wants to know how many of his 50 classmates have the same rule. He asks 5 friends from his class whether they may tell their
dreams. Of those, 4 say that they may.
Based on this data, which of the following conclusions are valid?
Choose 1
About 80% of all of Jonas's classmates may tell their dreams,
About 80% of all people in Jonas's community may tell their dreams.
80% of the classmates in this sample may tell their dreams, but we cannot conclude anything about
the population.

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step-by-step explanation:

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c.)

step-by-step explanation:

55.44 inches

step-by-step explanation:

part a. assuming a perfectly linear relationship, we can find the slope from the first two data points.

slope = m = (change in rainfall)/(change in years)

= (61.80 -62.33)/(2005 -2004) = -0.53/1 = -0.53

then the point-slope form of the equation of the line can be written as

y = m(x -h) +k . . . . . m = -0.53, (h, k) = (0, 62.33)

y = -0.53x +62.33 . . . x = years after 2004

part b. in 2017, x = 2017 -2004 = 13. then the predicted rainfall is

y = -0.53·13 +62.33 = 55.44 . . inches

the predicted rainfall in 2017 is 55.44 in.

answer: i dont know but if you try hard you will get it right : )

step-by-step explanation: