1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Svet_ta [14]
3 years ago
10

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

et. 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? How many of the customers on plan B text? 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.
Mathematics
1 answer:
max2010maxim [7]3 years ago
3 0

Answer:

a. 23

b. 13

c. 13/23

Step-by-step explanation:

a. 23 customers (13 +10) are on plan B (lol)

b. 13 customers on this plan text more often

c. Thus, 13/23 of customers on payment plan B use the phone most often to text

Hope this helps :)

You might be interested in
What is 2,665 divided by 36 witha remainder?
GarryVolchara [31]

74  R28

So sorry if its incorrect!

6 0
2 years ago
Henry spent 1 hour 30 minutes less than Joey reading last week. Joey spent 50 minutes less than Pete. Pete spent 3 hours reading
Nookie1986 [14]

Answer: Henry read for a total of 40 minutes

Step-by-step explanation: 3:00 - 0:50 is 2:10 then 2:10 - 1:30= 40 minutes

3 0
3 years ago
Read 2 more answers
What is the measure of ∠D?
LenaWriter [7]

Answer:

63

Step-by-step explanation:

When a quadrilateral is in the circle, the opposite angels are supplementary, meaning they equal 180. So you do 180-117 and get 63

3 0
3 years ago
The foot of a ladder is placed 7 meters from a wall. If the top of the ladder rests 9 meters up on the wall, how long is the lad
nekit [7.7K]

We can find the length of the ladder by squaring the known digits, adding them, and finding the square root of the sum. This would mean our first equation, after squaring, will look like this:

49+81=130

Now that we have <em>c</em> squared, we can go through and find the approximate square root, which is 11.4. That would mean the ladder is 11.4 meters long.

5 0
3 years ago
Read 2 more answers
The sides of a triangle are x , x +1 , 2 x -1 and its area is x root of 10 .Find the value of x.
VARVARA [1.3K]


Ok, I'm going to start off saying there is probably an easier way of doing this that's right in front of my face, but I can't see it so I'm going to use Heron's formula, which is A=√[s(s-a)(s-b)(s-c)] where A is the area, s is the semiperimeter (half of the perimeter), and a, b, and c are the side lengths.

Substitute the known values into the formula:

x√10=√{[(x+x+1+2x-1)/2][({x+x+1+2x-1}/2)-x][({x+x+1+2x-1}/2)-(x+1)][({x+x+1+2x-1}/2)-(2x-1)]}

Simplify:

<span>x√10=√{[4x/2][(4x/2)-x][(4x/2)-(x+1)][(4x/2)-(2x-1)]}</span>

<span>x√10=√[2x(2x-x)(2x-x-1)(2x-2x+1)]</span>

<span>x√10=√[2x(x)(x-1)(1)]</span>

<span>x√10=√[2x²(x-1)]</span>

<span>x√10=√(2x³-2x²)</span>

<span>10x²=2x³-2x²</span>

<span>2x³-12x²=0</span>

<span>2x²(x-6)=0</span>

<span>2x²=0 or x-6=0</span>

<span>x=0 or x=6</span>

<span>Therefore, x=6 (you can't have a length of 0).</span>

6 0
3 years ago
Other questions:
  • The temperature dropped from 6 Celsius to -5 Celsius.How many degrees did the temperature drop?
    7·2 answers
  • You earn $10.00 per hour babysitting. Your total earnings depend on the number of hours you spend babysitting.
    10·1 answer
  • What is the simplified expression for the expression below?<br>-3 (5x+20) - 1/4(4x-28)​
    8·1 answer
  • Which is the correct simplified version of the expression shown after distributing and combining like terms?
    12·1 answer
  • <img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20%20-%2018%20%3C%200" id="TexFormula1" title=" {x}^{2} - 18 &lt; 0" alt
    10·1 answer
  • If there are 5 green, 6 yellow, 8 blue, and 7 brown M&amp;M's, what is the probability that you choose a blue?
    13·2 answers
  • If the lines are parallel with angle a measuring 5x + 8 and angle b measuring 8x - 7, the measure of angle a would be ___ degree
    14·1 answer
  • How do I do this? Need help with all, 40 points + brainliest
    9·2 answers
  • Find the unit rate.
    6·2 answers
  • Refer to the number line. Find the coordinate of point Y such that the ratio of MY to YJ is 2:3
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!