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kicyunya [14]
3 years ago
11

A symmetrical binomial distribution with large sample size can be approximated by a __________

Mathematics
1 answer:
sweet [91]3 years ago
7 0
Typical distribution?
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Please solve this and only answer with image
horsena [70]

\cot^4 A - \cot^2 A = 1\\\\\cot^4 A = 1 + \cot^2 A\\\\\frac{\cos^4 A}{\sin^4 A} = 1 + \frac{\cos^2 A}{\sin^2 A}\\\\\frac{\cos^4 A}{\sin^4 A} = \frac{\sin^2 A}{\sin^2 A}+\frac{\cos^2 A}{\sin^2 A}\\\\\frac{\cos^4 A}{\sin^4 A} = \frac{\sin^2 A+\cos^2 A}{\sin^2 A}\\\\\frac{\cos^4 A}{\sin^4 A} = \frac{1}{\sin^2 A}\\\\\cos^4 A = \frac{\sin^4 A}{\sin^2 A}\\\\\cos^4 A = \sin^2 A\\\\

This then means,

\cos^4 A + \cos^2 A = 1\\\\\sin^2 A + \cos^2 A = 1\\\\

which is the pythagorean trig identity. This concludes the proof.

Therefore, if \cot^4 A - \cot^2 A = 1, then \cos^4 A + \cos^2 A = 1

5 0
3 years ago
Using the prostate data from the faraway package with lpsa (log prostate specific antigen) as response and lcavol (log cancer vo
rewona [7]

Answer:

Step-by-step explanation:

Given that,pros.

lpsa = 1.507 + 0.719 lcavol

lpsa=0.719 lcavol + 1.507

Comparing this to equation of a straight line, y=mx+c

Then,

slope (m) = 0.719

And intercept (c) on y axis is 1.507

Then, the x axis is lcavol

Also, the y axis is lpsa.

Then the linear model preview is

Check attachment for the preview.

8 0
3 years ago
Find (8.4×108) ÷ (1.2×103). Express your answer in scientific notation.
kvv77 [185]

Answer: 7.33980582 x 10^0

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10. The sign of the exponent will depend on the direction you are moving the decimal.

8 0
3 years ago
Read 2 more answers
X - (-3) is the same as x (-3). true false
liq [111]
False

x-1(-3)=x+(-3)
x+3=x-3
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false

NO
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3 years ago
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21 + 15 = __(7 + 5) Help me what is the missing blank
V125BC [204]

Answer:

7776

Step-by-step explanation:

7 0
3 years ago
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