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
slavikrds [6]
3 years ago
10

According to a survey, 40% of adults watch a particular television show. Six adults are selected at random. The binomial distrib

ution below shows the probability that k out of 6 adults watch the television show.
P(k = 0) = 0.0467
P(k = 1) = 0.1866
P(k = 2) = 0.3110
P(k = 3) = 0.2765
P(k = 4) = 0.1382
P(k = 5) = 0.0369

The distribution is
a) symmetric.
b) skewed.
c) both symmetric and skewed.

The sum of the probabilities is:
Mathematics
2 answers:
iren [92.7K]3 years ago
7 0

Answer:

The distribution is  

b) skewed.

The sum of the probabilities is:

1

Step-by-step explanation:

In a binomial distribution, p represents the probability of success. Success in the sense that the event of interest happens. In the model presented, the probability of success p is 0.4 since we are informed that 40% of adults watch a particular television show.

The next quantity of significance in a binomial model is the number of independent trials, n. In our case there are 6 independent trials since we are told that 6 adults were selected at random. If we let the random variable K denote the number of adults out of the 6 who watch the television show, then K is a binomial random variable with parameters;

n = 6 and p = 0.4

A binomial distribution is only symmetric when either p is 0.5 or n is large. In the presented scenario none of this conditions is met since p is 0.4 while n is just 6 which is relatively small. Thus we conclude that the distribution is not symmetric but rather skewed.

The sum of the probabilities is any discrete probability distribution such as the bernoulli, binomial, negative binomial, poisson, or the geometric distribution is always equal to 1. That's a rule of thumb.

Sladkaya [172]3 years ago
6 0

Answer:

The distribution is Skewed.

The Sum of the Probabilities in the distribution is 1

Step-by-step explanation:

You might be interested in
A group of 12 students goes on a school field trip, 6 are in third grade. which fraction is equivalent to 6 12
Elis [28]

The fraction which is equivalent to 6/12 is 1/2

What does a fraction mean?

In the first place, fraction is a numerical quantity or relationship where one number is expressed in terms of another.

In order to determine the equivalence of 6/12 in fraction , we need reduce 6/12 to the lowest term, since 6 is common to 6 and 12 and that 6 divided by gives 1 and 12/6 gives 2, which means that we are left 1/2

The correct fraction which is equivalent to 6/12 is 1/2

Find out more about fraction on:brainly.com/question/5243429

#SPJ1

Full question:

A group of 12 students goes on a school field trip, 6 are in third grade. which fraction is equivalent to 6/12?

(A) 1/3

(B)1/4

(C) 1/6

(D) 1/2

5 0
1 year ago
Judy paid $120.96 for carpet for her room that is 144 ft.² Nathan like the carpet she chose but he wasn't sure it would match th
Annette [7]

Answer:

$0.84

Step-by-step explanation:

120.96/144= 0.84

3 0
3 years ago
I'm confused for some reason can you help?​
Nimfa-mama [501]

Answer:

So basically you just count how many squares you see. I see 21 squares so your answer would be 21 cubic units please mark me brainliest and have a wonderful day

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
3x+2y=6 and y=1/3x-11 perpendicular or parallel
IgorLugansk [536]

Answer: To determine if two lines are parallel or perpendicular, you have to look at the slopes. For the line y=kx+b, k is the slope.

For two lines  y=k1x+b1 and y=k2X+b2 ,When K1=K2, two lines are parallel; when K1=-1/k2, two lines are perpendicular. It doesn't matter whatever b1, b2 are. Hence to save time, you only need to calculate  k1 and k2.

To calculate the slope k of any line, you have to change the equation to y=kx+b

For -y=3x-2, k=3/(-1)=-3 (you divide -1 on each side of =, but you don't need to calculate -2/(-1))

For -6X+2y=6, K=6/2=3 (you first move the -6x to right side, it becomes 6x, then divide by 2)

Now you can get the answer: The two lines neither parallel nor perpendicular.

6 0
2 years ago
(5ab-9a-4) - (-4ab + 5)
qaws [65]

Answer:

9ab - 9a +1

Step-by-step explanation:

first, we can distribute the negative sign to the second set of parentheses.

-(-4ab + 5) becomes + 4ab - 5

now let's put the values in (5ab-9a-4) side by side with the corresponding values in + 4ab - 5

5ab + 4ab - 9a - 4 - 5

= 9ab - 9a - 9, because 5ab + 4ab = 9ab, -9a is alone, and -4 - 5 = -9.

8 0
3 years ago
Other questions:
  • Which of the following are compound events? Check all that apply.
    6·3 answers
  • Find the equation of the line that contains the point (3,9) and is parallel to the line y=4x+1. Write the line in slope-intercep
    12·1 answer
  • Which is a solution to the equation y=5x-6
    15·2 answers
  • John and alicia are asked to clean the barn. john can clean the barn by himself in 3 hours and together they can clean the barn
    15·2 answers
  • Life as we know it is impossible without water."
    13·2 answers
  • What is the value of 6/1+i? 2-6i <br> 2+6i <br> 3-3i <br> 3+3i
    10·1 answer
  • A weather forecast says that there is a 40% chance of rain today find the odds against rain
    7·1 answer
  • -24&lt;41<br>Adevarat sau fals?​
    11·2 answers
  • Which expression is equivalent to 8+20 ? A. 4(4+20) B.4(2+5) C.2(2+10) D. 2(6+18) Find the missing fac or in the given expressio
    11·1 answer
  • Citlali buys a pen for $1.50. She then bought 4 pieces of cardstock. Her
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!