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Korvikt [17]
2 years ago
7

Which of these people should you tip

Mathematics
2 answers:
Reptile [31]2 years ago
4 0
Waiter or waitress. i work in the food industry. a delivery driver and occasionally the cook
hoa [83]2 years ago
3 0
People who get less than minimum hourly wage. 
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Jason inherited a piece of land from his great-uncle. Owners in the area claim that there is a 45% chance that the land has oil.
oksian1 [2.3K]

Answer:

0.36 = 36% probability that the land has oil and the test predicts it

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It 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.

45% chance that the land has oil.

This means that P(A) = 0.45

He buys a kit that claims to have an 80% accuracy rate of indicating oil in the soil.

This means that P(B|A) = 0.8

What is the probability that the land has oil and the test predicts it?

This is P(A \cap B). So

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

P(B \cap A) = P(B|A)*P(A) = 0.8*0.45 = 0.36

0.36 = 36% probability that the land has oil and the test predicts it

5 0
2 years ago
What is the value of z in the equation 2(4z − 3 − 21) = 166 − 46? 21 24 30 36
Nataly_w [17]
2(4z-3-21)=166-46

Combine like terms
2(4z-24)= 120

Distribute
8z-48= 120

Add 48 to both sides
8z= 168

Divide both sides by 8
z=21

Final answer: z=21
5 0
2 years ago
Read 2 more answers
What is the measure of ABC?
enyata [817]

Answer:

B

Step-by-step explanation:

The angle at the centre is equal to the arc that subtends it , thus

∠ ABC = arc AB = 75° → B

5 0
2 years ago
Read 2 more answers
I need help with all these ASAP !!!!! Form three to six
maxonik [38]
3) 180-32= 148°

4) x = 142°

5) 3x+2x = 90°
5x =90°
x= 90/5
x = 18°

6) 180 = 6x + x
180 +2 = 7x
182/7 =x
26° = x
6 0
3 years ago
Ayudaaaaaaaaaaaaaaaaaaaa
Ivenika [448]

Answer: I think it would of be U: Axis

V:2

S: 4

T: 1

U: 2

R: Axis

Q: 3

P: Axis

3 0
2 years ago
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