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Fantom [35]
3 years ago
6

Suppose that the local sales tax is 4% and you buy a car for $17,950. How much tax is due?

Mathematics
1 answer:
ANEK [815]3 years ago
3 0

Answer:

718

Step-by-step explanation:

It can be done this way:

4% of 50.0 is 2.0

4% of 900 is 36

4% of 7000 is 280

4% of 10,000 is 400

add them all up and we have:

400 + 280 + 36 + 2 = 600 + 110 + 8 = 718

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Read 2 more answers
The National Cancer Institute estimates that 3.65% of women in their 60s get breast cancer. A mammogram can typically identify c
masha68 [24]

Answer:

39.17% probability that a woman in her 60s who has a positive test actually has breast cancer

Step-by-step explanation:

Bayes Theorem:

Two events, A and B.

P(B|A) = \frac{P(B)*P(A|B)}{P(A)}

In which P(B|A) is the probability of B happening when A has happened and P(A|B) is the probability of A happening when B has happened.

In this question:

Event A: Positive test.

Event B: Having breast cancer.

3.65% of women in their 60s get breast cancer

This means that P(B) = 0.0365

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This means that P(A|B) = 0.85

Probability of a positive test.

85% of 3.65% and 100-95 = 5% of 100-3.65 = 96.35%. So

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39.17% probability that a woman in her 60s who has a positive test actually has breast cancer

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3 years ago
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