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vesna_86 [32]
3 years ago
5

What type of dilation occurs with a scale factor of 1/4?

Mathematics
1 answer:
Natasha2012 [34]3 years ago
3 0

Answer:

Congruent

Step-by-step explanation:

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Consider the probabilities of people taking pregnancy tests. Assume that the true probability of pregnancy for all people who ta
Valentin [98]

Using conditional probability, it is found that there is a 0.8462 = 84.62% probability that a woman who gets a positive test result is truly pregnant.

<h3>What is Conditional Probability?</h3>

Conditional probability is the probability of one event happening, considering a previous event. The formula is:

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

In which

  • P(B|A) is the probability of event B happening, given that A happened.
  • P(A \cap B) is the probability of both A and B happening.
  • P(A) is the probability of A happening.

In this problem, the events are:

  • Event A: Positive test result.
  • Event B: Pregnant.

The probability of a positive test result is composed by:

  • 99% of 10%(truly pregnant).
  • 2% of 90%(not pregnant).

Hence:

P(A) = 0.99(0.1) + 0.02(0.9) = 0.117

The probability of both a positive test result and pregnancy is:

P(A \cap B) = 0.99(0.1)

Hence, the conditional probability is:

P(B|A) = \frac{0.99(0.1)}{0.117} = 0.8462

0.8462 = 84.62% probability that a woman who gets a positive test result is truly pregnant.

You can learn more about conditional probability at brainly.com/question/14398287

7 0
2 years ago
What is the surface area of the right cone with the a raidus of 3 and a slant hieght of 15
Novosadov [1.4K]
The surface area of the cone will be  : 169.65 so it would be answer A as          54 x pi = 169.646003
6 0
3 years ago
(0.1296)^3/4 of law of indices plz step by step​
Serjik [45]

Answer:

\boxed {\frac{27}{125}}

Step-by-step explanation:

Solve the following expression:

(0.1296)^{\frac{3}{4}}

-Calculate 0.1296 to the power of \frac{3}{4}:

(0.1296)^{\frac{3}{4}}

\boxed {\frac{27}{125}}

Therefore, the final answer is \frac{27}{125}.

3 0
3 years ago
What is 3/5 \ 1 + 3 2/5
yaroslaw [1]
Put that in google it will answer it for u
6 0
3 years ago
Find the slope of the two points (-7, 8) and (4, -3).
Nastasia [14]

Answer:

y = (15/24)x + 6

Step-by-step explanation:

3 0
2 years ago
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