1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lora16 [44]
3 years ago
7

Select the correct answer. Jason inherited a piece of land from his great-uncle. Owners in the area claim that there is a 45% ch

ance that the land has oil. Jason decides to test the land for oil. He buys a kit that claims to have an 80% accuracy rate of indicating oil in the soil. If the test predicts that there is no oil, what is the probability after the test that the land has oil? answer choices : a, 0.1698 , b 0.2217, c 0.5532, d 0.7660
Mathematics
1 answer:
GREYUIT [131]3 years ago
3 0

Answer:

Option A 0.1698

Step-by-step explanation:

Given that Jason has a chance for getting oil as 45%

THe kit he buys show accurate result with 80% probability

Let A1- Event that the land has oil

A2 - Event that the land has no oil

B- The test gives negative result

A1 and A2 are mutually exclusive and exhaustive

P(A1) = 0.45 and P(A2) =0.55

Hence we can use Baye theorem

Then P(B) = P(A1B)+P(A2B)=0.45(0.20)+0.55(0,80)\\=0.09+0.0.44\\=0.53

Reqd prob =P(A1/B) =

\frac{P(A1B)}{P(B)}\\ =\frac{0.09}{0.53}\\\\=0.1698

You might be interested in
How do u spell 5,165,874 in word form
Novay_Z [31]
Five million one hundred sixty five thousand eight hundred seventy four.
4 0
3 years ago
Read 2 more answers
Solve 3 x - 9 x + 7 - 3 = -8.
erik [133]

Answer: x=2

3x−9x+7−3=−8

Step 1: Simplify both sides of the equation.

3x−9x+7−3=−8

3x+−9x+7+−3=−8

(3x+−9x)+(7+−3)=−8

−6x+4=−8

−6x+4=−8

−6x+4−4=−8−4

−6x=−12

−6x

−6

=

−12

−6

x=2


3 0
3 years ago
25 ≥ 5u u = 5<br><br> True of false ( show work )
iris [78.8K]

Answer:

true

Step-by-step explanation:

plug in u. u=e

25>= 5x5

25>=25

true

6 0
3 years ago
Which number is greater and by how much: A decreased by 50% and then increased by 50% of the result
cricket20 [7]

Answer:

the original number is greater

Step-by-step explanation:

1. let 1x be your starting number

2. therefore, 0.5 * 1x = 0.5x ( amount after you decreased it by 50%)

3. then increase: 0.5x * 1.5 = 0.75x (amount after you increased it by 50%)

4. 0.75x < 1x (this means that the original number is larger than the one you decreased and then increased)

6 0
2 years ago
1. What is the place value of the 1 in 1,234,567,890? ​
FrozenT [24]

Answer:

The place value of 1 in 1,234,567,890 is <u>1</u><u>,</u><u>0</u><u>0</u><u>0</u><u>,</u><u>0</u><u>0</u><u>0</u><u>,</u><u>0</u><u>0</u><u>0</u><u>.</u>

4 0
2 years ago
Read 2 more answers
Other questions:
  • The given figure shows a circle with centre at o and angel AOB=90degree. If the radius the circle is 40c.m and pie=3.14; calcula
    11·1 answer
  • Given the following equation of an exponential function determine the decay rate.
    6·1 answer
  • Which is the consumer ability and desire to buy good and service called
    15·2 answers
  • Researchers investigating characteristics of gifted children collected data from schools in a large city on a random sample of 3
    12·1 answer
  • 1) Marlon had 6 hits in 15 at bats. How does Marlon's<br>hits to at bats ratio compare to Adrian's?​
    8·1 answer
  • Please help!
    8·2 answers
  • Please help with this quick
    13·1 answer
  • What is the volume, in cubic cm, of a cube with an edge length of 20cm?
    15·1 answer
  • a local hamburger shop sold a combined total of 698 hamburgers and cheeseburgers on sturday . there were 52 fewer cheeseburger s
    11·1 answer
  • What is the max height of n=-1t^2+2t+8
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!