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lesya692 [45]
3 years ago
7

Which of these numbers has a 4 in the hundreds place?

Mathematics
2 answers:
geniusboy [140]3 years ago
8 0
C) 3401

ones=1
tens=0
hundreds=4
thousands=3

the 4 is in the hundreds place in this one
notsponge [240]3 years ago
6 0

Answer:

904

Step-by-step explanation:

1 = 1

0=10

4 = 100

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A new test to detect TB has been designed. It is estimated that 88% of people taking this test have the disease. The test detect
Elodia [21]

Answer:

Correct option: (a) 0.1452

Step-by-step explanation:

The new test designed for detecting TB is being analysed.

Denote the events as follows:

<em>D</em> = a person has the disease

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The information provided is:

P(D)=0.88\\P(X|D)=0.97\\P(X^{c}|D^{c})=0.99

Compute the probability that a person does not have the disease as follows:

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Compute the probability that a randomly selected person is tested negative but does have the disease as follows:

P(X^{c}\cap D)=P(X^{c}|D)P(D)\\=[1-P(X|D)]\times P(D)\\=[1-0.97]\times 0.88\\=0.03\times 0.88\\=0.0264

Compute the probability that a randomly selected person is tested negative but does not have the disease as follows:

P(X^{c}\cap D^{c})=P(X^{c}|D^{c})P(D^{c})\\=[1-P(X|D)]\times{1- P(D)]\\=0.99\times 0.12\\=0.1188

Compute the probability that a randomly selected person is tested negative  as follows:

P(X^{c})=P(X^{c}\cap D)+P(X^{c}\cap D^{c})

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Thus, the probability of the test indicating that the person does not have the disease is 0.1452.

4 0
3 years ago
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Q # 9 please find the area
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6 0
4 years ago
Read 2 more answers
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