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JulsSmile [24]
3 years ago
9

Compare 0.2, 0.2 and .25

Mathematics
1 answer:
timofeeve [1]3 years ago
7 0
-0.25
Please restate your question if this is not the answer you wanted.
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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

A mammogram can typically identify correctly 85% of cancer cases

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

P(A) = 0.85*0.0365 + 0.05*0.9635 = 0.0792

What is the probability that a woman in her 60s who has a positive test actually has breast cancer?

P(B|A) = \frac{0.0365*0.85}{0.0792} = 0.3917

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

7 0
3 years ago
You need to arrange tenten of your favorite books along a small shelf. how many different ways can you arrange the? books, assum
jok3333 [9.3K]
That is permuations

that would be 10! or 10*9*8*7*6*5*4*3*2*1=3628800 ways

4 0
3 years ago
Read 2 more answers
The product of two numbers is 50 and their difference is 5. What are the two numbers?
lyudmila [28]
27.5 and 22.5 are the two numbers
6 0
2 years ago
On peux m'aider svp
Alona [7]

Answer hey i dunno if you still need this but if you did could you translate to english

3 0
2 years ago
ASHLEY IS GOING ON A TRIP TO LONDON. SHE SAVED $100.00 IN SPENDING MONEY. WHEN SHE ARRIVES IN ENGLAND, SHE GOES TO A BANK TO CHA
Ilya [14]

Answer:

65.93

Step-by-step explanation:

Okay, first lets convert the money.

100 ÷ 1.43 = 69.9300699301 (69.93)

69.93 - 4 = 65.93

Ashley has 65.93 pounds.

Hope this helps! Brainliest would be appreciated. :)

4 0
2 years ago
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