Which of the following statements is true of hypothesis testing?

i. you must always state a significance level when doing a hypothesis test unless you are using a confidence interval.
ii. to say a finding is significant means that it is unlikely to have occured by chanc .
iii. a confidence interval can be used as evidence in a two-sided hypothesis test.

a. i only
b. ii only
c. iii only
d. ii and iii only
e. i, ii, and iii

i personaly dont know the answer u could try copy and pasting in google or something, anyways look it up, im pretty sure youll have a answer

Step-by-step explanation:

answer: .75 km

step-by-step explanation:

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have