SmokeyRN

13.04.2021 • 

Mathematics

A certain flight transports over 1,000 passengers daily, and the airline is curious what proportion of passengers on this flight don't use overhead bin space. They take an SRS of 40 of these passengers and find that 6 of them
don't use overhead bin space. The airline wants to use this data to create a one-sample z interval to estimate
the proportion of passengers on this flight don't use overhead bin space.
Which conditions for constructing this confidence interval did the sample meet?
Choose all answers that apply:
The data is a random sample from the population of interest.
nö > 10 and n(1-P) > 10
Individual observations can be considered independent.

Ответ:

Dennismommie

08.01.2020

Mathematics

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So,

in this case, the easiest way to graph the line is to test two (2) easy values, find two (2) ordered pairs, locate them on the coordinate grid, and draw a line through those points.

an obviously easy x-value would be -4.  this would make the right side equal zero:
y + 2 = 32(-4 + 4)
y + 2 = 32(0)
y + 2 = 0
y = -2

ordered pair: (-4, -2)

another easy one would be x = -3.
y + 2 = 32(-3 + 4)
y + 2 = 32(1)
y + 2 = 32
y = 30

ordered pair: (-3, 30)
first ordered pair: (-4, -2)

now, just plot those points on the graph and you will have the line that represents y + 2 = 32(x + 4).

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