A phone company surveys a sample of current customers to determine if they use their phones most often to text or use the Internet. They sort the data by payment plans, as shown below.

Plan A: 27 text, 21 Internet

Plan B: 13 text, 10 Internet

Answer the questions to determine a conditional probability.


How many customers are on payment plan B?



_____customers


How many of the customers on plan B text?



_______customers


What is the probability that a randomly selected customer who is on plan B uses the phone most often to text? Give the answer in fraction form. _____


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frika

Answer:

13 customers use to text,

10 customers use the Internet,

the probability that a randomly selected customer who is on plan B uses the phone most often to text is [tex]\frac{13}{23}[/tex]

Step-by-step explanation:

A phone company surveys a sample of current customers to determine if they use their phones most often to text or use the Internet.

Plan B:

13 customers use to text,

10 customers use the Internet,

23 customers in total.

The probability that a randomly selected customer who is on plan B uses the phone most often to text is

[tex]\dfrac{13}{23}[/tex]

Answer:

1) 23 customers

2) 13 customers

3) 13/23

Step-by-step explanation: