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
Maslowich
3 years ago
15

Check Your Understanding Are you more likely to win a random drawing if you crinkle the paper that contains your name before put

ting it into the drawing box? A curious student conducted a study to investigate. The student took 100 equal sized slips of paper and crinkled 25 of them before putting them all into a box. After mixing well, they asked an uninformed person to select a winner at random. The student noted if the slip was crinkled. The slip was returned to the box, mixed well, and asked another uninformed person to select a winner at random. This process was repeated 10 times. Let Y = the number of times that a crinkled paper was selected.
Mathematics
1 answer:
IRINA_888 [86]3 years ago
4 0

Answer: hello your question to the given scenerio is missing below is the missing question

question:  Does this setting represent a Binomial distribution ?

answer : Yes the setting represents a Binomial distribution

Step-by-step explanation:

The setting represents a Binomial distribution, because the criteria's for a Binomial distribution is all present which are

  • The random variable ( number of times a crinkled paper is picked ) is represented as Y
  • Each sample is drawn independently and with replacement
  • there are only two outcomes ( success or failure )
  • Number of trials is given as  10
  • probability of success = 25 / 100 = 0.25

You might be interested in
Plz Help Only 1 question 24 POINTS
SOVA2 [1]

Dog No dog Total
Cat 31 10 41
No cat 24 7 31
Total 55 17 144

4 0
3 years ago
A right triangle has the hypotenuse c = 12 cm and an angle A = 30°. Find the length of side a, which is opposite angle A. A. 7.4
vagabundo [1.1K]
<span>On the one hand we know that sin(30) = 1/2. On the other hand we know that sin(A) = a/c. From these two relations we obtain that 1/2 = a/c <=> 1/2 = a/12 <=> a = 12*1/2 <=> a = 6. So the answer is D. 6cm.</span>
5 0
3 years ago
Recall the following study: Over a 17-year period researchers studied a sample of 707 individuals from a single community. They
IgorC [24]

Answer:

Hence the answer is option c ; poverty and neighborhood conditions

Step-by-step explanation:

From the research, it is well known that both the dependent variable and independent variable will be taken into consideration before arriving at a conclusion.

A dependent variable is the variable that is been studied or measured i.e the results of a scientific research.

An independent variable is a variable that is been altered or controlled for and whose effects are compared to the results of the dependent variable, as such the results of  a dependent variable is dependent on the alteration of the parameters of an independent variable.

From the question ; the dependent variable is sample of 707 individuals from a single community while the independent variable ; the number of hours each individual spent watching television during adolescence and early adulthood.

The word confound in statistics implies a variable which has a greater effects on both the dependent and the independent variable.

Hence the answer is option c ; poverty and neighborhood conditions

7 0
3 years ago
Uncle Sam sells cups at a shop. For every cup he sells, he collects 20% of the price of the cup. For every 10 cups that he sells
svlad2 [7]

Answer:

if its uncle sam IT MUST BE A CONSPIRACY!!!

Step-by-step explanation:

UNCLE SAM IS WATCHING

4 0
2 years ago
Complete the following exercises by applying polynomial identities to complex numbers. Factor x2 + 64. Check your work. Factor 1
Mumz [18]
x^2+64=x^2-(8i)^2=(x-8i)(x+8i)

16x^2+49=(4x)^2-(7i)^2=(4x-7i)(4x+7i)

(x+9i)^2=x^2+2x\cdot9i+(9i)^2=x^2+18xi+81i^2=x^2+18xi-81=x^2-81+18xi

(x-2i)^2=x^2-2x\cdot2i+(2i)^2=x^2-4xi+4i^2=x^2-4xi-4=x^2-4-4xi

(x+(3+5i))^2=x^2+2x(3+5i)+(3+5i)^2\\\\=x^2+6x+10xi+3^2+2\cdot3\cdot5i+(5i)^2\\\\=x^2+6x+10xi+9+30i+25i^2=x^2+6x+10xi+9+30i-25\\\\=x^2+6x+10xi+30i-16=x^2+6x-16+(10x+30)i


Used:\\i^2=-1\\\\a^2-b^2=(a-b)(a+b)\\\\(a+b)^2=a^2+2ab+b^2
4 0
3 years ago
Read 2 more answers
Other questions:
  • How much of the 8% solution should we use to make 100g of a 3% solution?
    10·1 answer
  • What number is 20% more than 15? Is it 27?
    6·2 answers
  • Help me and explain please
    6·2 answers
  • What are the solutions to the equation 2(x+1)^2=32
    5·1 answer
  • Please help!!!!
    11·1 answer
  • The height H of a skydiver t seconds after jumping. Let T be the independent variable, and assume the skydiver jumps from a heig
    6·1 answer
  • Simplify -3 p3 + 5 p + (-2 p2 ) + (-4) - 12 p + 5 - (-8 p3 ). Select the answer in descending powers of p . 1 - 7 p - 2 p2 + 5 p
    5·1 answer
  • A prism has total surface area of 360 m2 and volume of 60 m². If the length, width, and height are tripled their original sizes,
    9·1 answer
  • Which is nearest to the perimeter of WXYZ
    15·1 answer
  • !!!6TH GRADE!!! MATH DUE IN !% MIN ***50 POINTS***
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!