Ask question

Ask question

All categories

2 years ago

8

A poll agency reports that 27 % of teenagers aged 12-17 own smartphones. A random sample of 85 teenagers is drawn. Round your an

swers to at least four decimal places as needed.

1 answer:

Paladinen [302]2 years ago

6 0

Answer:

Mean = цр = 0.27

Step-by-step explanation:

Note: The full question is attached as picture below

Given that, p = 27 = 0.27 and n = 85

цр = P

Mean = цр = 0.27

You might be interested in

This is due at midnight and I have no idea how to do it

almond37 [142]

Answer:

I personally have no idea how to do this but quizlet might have the answer

Sorry hope this helps though

Step-by-step explanation:

7 0

2 years ago

What are the intercepts of the line 3x – 15y = 60? A. x-intercept: –4; y-intercept: 20 B. x-intercept: –3; y-intercept: 15

AnnZ [28]

X intercept is when y = 0
3x -15(0) = 60
3x = 60
x = 20

y intercept is when x=0
3(0) -15y = 60
-15y = 60
y = -4

Answer is C

8 0

2 years ago

A coral reef grows 0.19m every week. How much does it grow in 6 weeks? Write your answer in millimeters.

kondaur [170]

$0.19 \times 6 = 1.14$
The answer is 1.14 millimeters

6 0

3 years ago

Read 2 more answers

Find the surface area of the triangular prism.<br><br> 15.6 cm<br> 10 cm<br> 11 cm<br> 12 cm

dimulka [17.4K]

Answer:

533.6cm²

Step-by-step explanation:

Hello!

I'm here to answer your question!

<u>Area of each triangular base:</u>

$\frac{1}{2}(12)(10)=60$

<u />

<u>Area of the rectangular faces:</u>

$12\times 11 =132$

$15.6\times 11=171.6$

$10\times 11=110$

<u>Add to find the surface area:</u>

$60+60+132+171.6+110=533.6$

Thus, the surface area of the triangular prism is = 533.6 yd²

Hope this helps you!

Hugs from,

Josh

6 0

2 years ago

Read 2 more answers

At a local preschool there is s as ratio of 3 boys to every 4 girls. If their are 245 total preschoolers enrolled how many are b

Zepler [3.9K]

Number of boys enrolled is 105

<em><u>Solution:</u></em>

Given that, At a local preschool there is s as ratio of 3 boys to every 4 girls

There are 245 total preschoolers

Ratio of boys and girls = 3 : 4

Number of boys : number of girls = 3 : 4

Let the number of boys be 3x

Let the number of girls be 4x

Total number of preschoolers = 245

Therefore,

number of boys + number of girls = 245

3x + 4x = 245

7x = 245

x = 35

Number of boys = 3x = 3(35) = 105

Thus number of boys is 105

3 0

2 years ago