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
Dmitry [639]
2 years ago
15

According to an​ almanac, 60% of adult smokers started smoking before turning 18 years old.

Mathematics
1 answer:
dangina [55]2 years ago
4 0
A) mean = np
0.6(200) = 120
SD^2= np(1-p)
SD = sqrt(200(0.6)(1-0.6))
SD = 6.928
B) the mean of binomial distribution in this case is the average number of samples you’ll have to take before you achieve a sample of 200 where 60% of smokers who started smoking before 18.
You might be interested in
The functions f(x) = -1+2 and
xz_007 [3.2K]

The graph of f(x) is given. And equation of g(x)= -f(x+2)

f(x+2) means f(x) will move 2 units left. And the negative in front means reflection on x axis.

3 0
3 years ago
Area of a circle? Need to know for big test tomorrow
Aleksandr [31]
To find the area of a circle find the radius and square it then multiply by PI

Area = PI x r^2
7 0
3 years ago
Read 2 more answers
Hey just doing this so you can get some points
lara31 [8.8K]

Answer:

thank you very much xoxo

4 0
2 years ago
WHOEVER IS RIGHT GETS BRAINLIST
pochemuha
The answer to the first question is b
I don’t know the answer to the second one sorry
4 0
3 years ago
Triangle FGH is similar to JKM.
mario62 [17]

Answer: J = 14.4 cm

Step-by-step explanation:

<em>K is similar to G</em>

So we can find the scale that FHG was dilated by dividing the side length of G by the side length of K

16.56/9.2 = 1.8

So the sides of the triangle KMJ were multiplied by a factor of 1.8

to find m :

25.92/1.8 = 14.4

J = 14.4

8 0
2 years ago
Other questions:
  • What points names the ordered -4 -2
    9·1 answer
  • 3/4 of a piece of metal has a mass of 15kg.what is the mass of 2/5 of the piece of metal
    6·1 answer
  • Fluffy, Spot and Skampy have a combined age in dog years of 91. Spot is 14 years younger than Fluffy. Skampy is 6 years older th
    9·1 answer
  • Ashley had a summer lemonade stand where she sold small cups of lemonade for $1.25 and large cups for $2.50. if ashley sold a to
    15·1 answer
  • I’m confused on 11 can y’all help me??
    14·1 answer
  • PLS HELP 35 POINTS
    15·2 answers
  • What is the greatest common factor of 34, and 85​
    15·1 answer
  • What is the solution to the equation 1/4x+2=-5/8x-5?<br> O X=-8<br> O X=-7<br> O X=7<br> O X=8
    6·1 answer
  • a designer created a scale drawing of a new kitchen. In the scale drawing, the length of the kitchen will be 8 feet. What scale
    10·1 answer
  • There are 3/4 as many boys as girls in a class of fifth-graders. If there are 35 students in the class, how many are girls?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!