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hjlf
4 years ago
5

Please solve this WILL GIVE BRAINLIEST AND 50+ points

Mathematics
2 answers:
nata0808 [166]4 years ago
7 0
105.9965:700 is what I worked out. Hope it's right.
Yakvenalex [24]4 years ago
6 0
The answer will be 105.9965:700 is the right answer.
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Solve for the variable 2y-8=-3y-18
Ainat [17]
2y-8=-3y-18
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3 years ago
A new medical test provides a false positive result for hepatitis 2% of the time that is a perfectly healthy subject being teste
Oxana [17]
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>
5 0
3 years ago
How would u do this question?
Anton [14]
I’m not sure but try connects it helps me a lot with my math homework
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Alisiya [41]

Answer: 2.5 is greater than x

Step-by-step explanation:

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Every recurring decimal is​
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Answer:

Every repeating or terminating decimal is a rational number

Each repeating decimal number satisfies a linear equation with integer coefficients, and its unique solution is a rational number.

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3 years ago
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