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
Marta_Voda [28]
3 years ago
11

Cynthia conducted an experiment with a spinner that contained only 4 sectors:f,g,h,and j. She spun the arrow 40 times and record

ed the frequencies in the table of below
Letter Freuncy
F 12
G 9
H 15
J 4

Based on the data table, what is The probability that the next spin will land on H?

A 1/4
B 1/3
C 3/8
D 3/5
Mathematics
1 answer:
nadezda [96]3 years ago
3 0
The probability is C) 3/8.

The spinner landed on H 15 times out of (12+9+15+4) = 40 times.  This is a probability of 15/40, which simplifies to 3/8.
You might be interested in
How many square feet of outdoor carpet will need for this hole?
Dmitriy789 [7]

Answer:

42 ft², IF that side is 6ft, it was cut off in the picture. (I can rework if it isn't 6ft.)

Step-by-step explanation:

Break it down into individual shapes. All of my work is on this sheet.


6 0
3 years ago
PLEASE HELP ASAP THANK YOU
Nadya [2.5K]
<span>Simplifying 2x + 18y = 36 Solving 2x + 18y = 36 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18y' to each side of the equation. 2x + 18y + -18y = 36 + -18y Combine like terms: 18y + -18y = 0 2x + 0 = 36 + -18y 2x = 36 + -18y Divide each side by '2'. x = 18 + -9y Simplifying x = 18 + -9y</span>
3 0
3 years ago
43 divided by 982 with remainder
Marina CMI [18]
The answer to this question is 22.83 but if you want it rounded its 22.84
4 0
3 years ago
Which of these is true? A) 357 &gt; 571 B) 432 &gt; 571 C) 571 &gt; 432 D) 571 &lt; 357
elena55 [62]
Answer is C) 571>432
4 0
3 years ago
According to a study done by a university​ student, the probability a randomly selected individual will not cover his or her mou
Sergio [31]

Using the binomial distribution, it is found that:

a) There is a 0.1618 = 16.18% probability that among 18 randomly observed individuals exactly 6 do not cover their mouth when​ sneezing.

b) There is a 0.104 = 10.4% probability that among 18 randomly observed individuals fewer than 3 do not cover their mouth when​ sneezing.

c) 9 is more than 2.5 standard deviations below the mean, hence it would not be surprising if fewer than half covered their mouth when​ sneezing.

<h3>What is the binomial distribution formula?</h3>

The formula is:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • n is the number of trials.
  • p is the probability of a success on a single trial.

The values of the parameters are given as follows:

n = 18, p = 0.267.

Item a:

The probability is P(X = 6), hence:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 6) = C_{18,6}.(0.267)^{6}.(0.733)^{12} = 0.1618

There is a 0.1618 = 16.18% probability that among 18 randomly observed individuals exactly 6 do not cover their mouth when​ sneezing.

Item b:

The probability is:

P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2).

Then:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 0) = C_{18,0}.(0.267)^{0}.(0.733)^{18} = 0.0037

P(X = 1) = C_{18,1}.(0.267)^{1}.(0.733)^{17} = 0.0245

P(X = 2) = C_{18,2}.(0.267)^{2}.(0.733)^{16} = 0.0758

P(X < 3) = P(X = 0) + P(X = 1) + P(X = 2) = 0.0037 + 0.0245 + 0.0758 = 0.104.

There is a 0.104 = 10.4% probability that among 18 randomly observed individuals fewer than 3 do not cover their mouth when​ sneezing.

item c:

We have to look at the mean and the standard deviation, given, respectively, by:

  • E(X) = np = 18 x 0.267 = 4.81.
  • \sqrt{V(X)} = \sqrt{18(0.267)(0.733)} = 1.88

9 is more than 2.5 standard deviations below the mean, hence it would not be surprising if fewer than half covered their mouth when​ sneezing.

More can be learned about the binomial distribution at brainly.com/question/24863377

#SPJ1

6 0
2 years ago
Other questions:
  • Find DF AC=600 CB=480 AB=360
    7·1 answer
  • A gun charges a $50 activation fee and $17 per month for a membership. If you spend $356, for how many months do you have a gym
    14·1 answer
  • Simplify -4b + (-9k) -6 - 3b + 12
    8·1 answer
  • 60,000 is ten times as much as
    14·2 answers
  • One model for car depreciation is as follows, where Cis the original cost, Vis the value of the car after tyears, and ris the ra
    14·1 answer
  • HELP FAST
    13·2 answers
  • For the function f(x)=x+9/7-4x find f^-1(x)
    15·1 answer
  • Remember to KCF. Help me with this
    13·1 answer
  • Dylan bought 3 identical shirts and a $20 pair of shorts from the store. His total cost was $56. How much did each shirt cost?
    12·1 answer
  • Solve the following system of equations graphically on the set of axes below.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!