Answer:
495
Step-by-step explanation:
there are three 10-year periods in 30 years so multiply 55 · 3(3), which is 495
answer is option B = 8
left triangle is scaled by 8 to get large triangle
first triangle size = 0.3
after scaling new triangle size = 0.3 × 8 = 2.4
thats how we achieved 2.4 on right
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<h3><em>Here</em><em> </em><em>are</em><em> </em><em>your</em><em> </em><em>answers</em><em> </em><em>in</em><em> </em><em>the </em><em>given</em><em> </em><em>att</em><em>achment</em><em>.</em><em> </em><em>Ple</em><em>ase</em><em> </em><em>let</em><em> </em><em>me</em><em> </em><em>kn</em><em>ow</em><em> </em><em>if</em><em> </em><em>ther</em><em>e's</em><em> </em><em>any</em><em> </em><em>err</em><em>or</em><em>.</em><em> </em></h3>
Answer:
Option A is correct: A. The first kind of error would be saying that your friend can tell the difference between the two kinds of peanut butter, when she really can't.
Step-by-step explanation:
The null hypothesis: the lady is just guessing and should get about half right.
So the first kind of error (when you reject the null hypothesis when it is actually true): the lady is not just guessing and can tell the difference between the two kinds of peanut butter, whereas in reality, she can't tell the difference and is just guessing randomly.