A phone company surveys a sample of current customers Answer the questions to determine a conditional to determine if they use their phones most often to text or probability.
use the Internet. They sort the data by payment plans, as Holy many customers are on payment plan B?
shown below.
customers
Plan A: 27 text, 21 Internet
How many of the customers on plan B text?
Plan B: 13 text, 10 Internet
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.

Add the fractions and simplify 1/2+ 1/3

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²