MyGirl9904 MyGirl9904

25-07-2020
Mathematics

contestada

Please help! If P(A)=0.2 and P(A and B)=0.12, and P(A or B)=0.68, what is P(B)?

0.8
0.08
0.6
0.06

Respuesta :

ashleysong2012 ashleysong2012

25-07-2020

Answer:

P(B) = 0.6

Step-by-step explanation:

P(A and B) = P(A) * P(B)

0.12 = 0.2 * P(B)

P(B) = 0.6

P(A or B) = P(A) + P(B) - P(A and B)

0.68 = 0.2 + P(B) - (0.12)

P(B) = 0.6

Answer Link

Otras preguntas

Aluminum metal reacts with HCl to produce aluminum chloride and hydrogen gas. How many grams of aluminum metal must be added to an excess of HCl to produce 33.6

The temperature danger zone is:*

The temperature danger zone is:*

when i double my number and add 8 i get my number + 12 WHAT IS MY NUMBER

Mr. Rowley has 16 papers and 14 exit tickets to return. Ms. Rivera has 64 homework papers and 60 exit tickets to return. For each teacher, write a ratio to repr

When does James Gatz change his name ? Why ?

Round 0.142 to the nearest tenth

determine the part of speech in the sentence: at what time did you stop by?

Why do some investigations require a control?

If objects travelling at near the speed of light gain mass because their energy of their motion is being converted into mass, the does a photon gain mass?