As a fraction, 54% is 27/50.
Answer:
D) All options are True
Step-by-step explanation:
A) t-distribution are symmetrical and uni-modal like Normal the Normal distribution.
B) Normal distribution is said to lack 'uncertainty'. Because of this, its more concentrated on values near the mean, while t-student distributions have more spread values and, as a result, fatter tails.
C) This is true as well, the higher the degrees of freedom, the less uncertainty the t-student has, and they will become as a result, more and more similar to the Normal distribution.
All options are True, so option D is the answer.
C
hope this helps! good luck. :)
45p² - 120p + 80
= 5(9p² - 24p + 40)
=5(3p - 4)²
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Answer: 5(3p - 4)²
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A and B
8/16 = 1/2
A=1/2
B=2/3
C=1/2
D=1