According to the Pew Internet & American Life Project, 54% of Internet users have a wireless connection to the Internet via a laptop, cell phone, game console, or other mobile device. Given that users have a wireless, 25% use Twitter to share updates about themselves. What is the probability that an Internet user has a wireless connection and also uses Twitter?

The probability that an internet user uses Twitter and has a wireless connection is 0.135.

Step-by-step explanation:

Given that,

54% of internet users have a wireless connection.

25% use Twitter to share updates, given that the user have a wireless.

Let A be a user who uses a wireless connection.

Let B be a user who uses Twitter.

P(A)=54%=0.54

P(B|A)= 25%=0.25

⇒P(A∩B)=P(A)P(B|A)

⇒P(A∩B)= 0.54×0.25

⇒P(A∩B)=0.135

The probability that an internet user uses Twitter and has a wireless connection is 0.135.

you have 6 cupcakes

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

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