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Hatshy [7]
2 years ago
15

ANSWER 22 PLEASE...

Mathematics
1 answer:
julia-pushkina [17]2 years ago
5 0
A. Is a congruent triangle
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Suppose Q and R are independent events. Find P(Q and R) if P(Q) = 0.63 and P(R) = 0.48.
Oksanka [162]
Hello,

Q and R are independent if p(Q and R)=p(Q)*p(R)
Here p(Q and R)=0.63-0.48=0.3024
ANSWER B
5 0
3 years ago
Read 2 more answers
Help asap pls
Svet_ta [14]

Answer:

Eating dinner and eating dessert are dependent events because

P(dinner) . P(dessert) = 0.9 × 0.6 = 0.54 which is not equal to

P(dinner and desert) = 0.5 ⇒ answer A

Step-by-step explanation:

* Lets study the meaning independent and dependent probability  

- Two events are independent if the result of the second event is not

  affected by the result of the first event

- If A and B are independent events, the probability of both events  

 is the product of the probabilities of the both events

- P (A and B) = P(A) · P(B)

* Lets solve the question  

∵ There is a 90% chance that a person eats dinner

∴ P(eating dinner) = 90/100 = 0.9

∵ There is a 60% chance a person eats dessert

∴ P(eating dessert) = 60/100 = 0.6

- If eating dinner and dating dessert are independent events, then

 probability of both events is the product of the probabilities of the

 both events

∵ P(eating dinner and dessert) = P(eating dinner) . P(eating dessert)

∴ P(eating dinner and dessert) = 0.9 × 0.6 = 0.54

∵ There is a 50% chance the person will eat dinner and dessert

∴ P(eating dinner and dessert) = 50/100 = 0.5

∵ P(eating dinner and dessert) ≠ P(eating dinner) . P(eating dessert)

∴ Eating dinner and eating dessert are dependent events because

  P(dinner) . P(dessert) = 0.9 × 0.6 = 0.54 which is not equal to

  P(dinner and desert) = 0.5

8 0
2 years ago
Can somebody give an example of how to identify a polynomial
Nikitich [7]
It has to obey all the polynomial rules, like 3x^4 or 6x, it has to have the base then the power.
4 0
3 years ago
Hello please help! Thank you!!
vova2212 [387]

Answer:

20 degrees

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
SOMEBODY PLEASE HELP BEEN STUCK FOREVER
Inga [223]

Answer:

Idk I would say 30

Step-by-step explanation:

8 0
3 years ago
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