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Andrei [34K]
4 years ago
7

at the end of the novel, scout stands on the radley porch and looks out over the neighborhood. this moment is most connected to

the theme of _____. the need for empathy and understanding the importance of social justice the ways in which a community can be divided moral courage
Mathematics
1 answer:
SCORPION-xisa [38]4 years ago
7 0
At the end of the novel, Scout stands on the Radley porch and looks out over the neighborhood. This moment is most connected to the theme of the need for empathy and understanding.
Had they understood people better, and saw things from their perspective, these tragedies wouldn't have happened. 
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You divid the two numbers on top to equal the bottom and the factor one out
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A new medical test provides a false positive result for hepatitis 2% of the time that is a perfectly healthy subject being teste
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Given that X <span>be the number of subjects who test positive for the disease out of the 30 healthy subjects used for the test.

The probability of success, i.e. the probability that a healthy subject tests positive is given as 2% = 0.02


Part A:

</span><span>The probability that all 30 subjects will appropriately test as not being infected, that is the probability that none of the healthy subjects will test positive is given by:

</span>P(X)={ ^nC_xp^x(1-p)^{n-x}} \\  \\ P(0)={ ^{30}C_0(0.02)^0(1-0.02)^{30-0}} \\  \\ =1(1)(0.98)^{30}=0.5455
<span>

Part B:

The mean of a binomial distribution is given by

</span>\mu=np \\  \\ =30(0.02) \\  \\ =0.6
<span>
The standard deviation is given by:

</span>\sigma=\sqrt{np(1-p)} \\ \\ =\sqrt{30(0.02)(1-0.02)} \\ \\ =\sqrt{30(0.02)(0.98)}=\sqrt{0.588} \\  \\ =0.7668
<span>

Part C:

This test will not be a trusted test in the field of medicine as it has a standard deviation higher than the mean. The testing method will not be consistent in determining the infection of hepatitis.</span>
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3 years ago
There is a photo attached
natulia [17]

You can use the sum of angles identities, then rearrange to put the result in the form of tangents.

\displaystyle\frac{\sin{(x+y)}}{\sin{(x-y)}}=\frac{\sin{(x)}\cos{(y)}+\cos{(x)}\sin{(y)}}{\sin{(x)}\cos{(y)}-\cos{(x)}\sin{(y)}}\\\\=\frac{\left(\frac{\sin{(x)}\cos{(y)}+\cos{(x)}\sin{(y)}}{\cos{(x)}\cos{(y)}}\right)}{\left(\frac{\sin{(x)}\cos{(y)}-\cos{(x)}\sin{(y)}}{\cos{(x)}\cos{(y)}}\right)}\\\\=\frac{\tan{(x)}+\tan{(y)}}{\tan{(x)}-\tan{(y)}}

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3 years ago
Answer? BRAINLIEST IF CORRECT​
alexira [117]
The answer is 12 your welcome
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2 years ago
Find the missing hypotenuse?
Zielflug [23.3K]

the missing hypotenuse is 9.4

4 0
3 years ago
Read 2 more answers
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