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Travka [436]
2 years ago
15

Math how to learn more abt it

Mathematics
1 answer:
alukav5142 [94]2 years ago
6 0

Answer:

To learn more about math, you need to practice it, and when you have mistakes, understand it better then you'll get it. And ask a teacher or adult for help when needed.

Step-by-step explanation:

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Algebra help please
Basile [38]
The answer is the third one because it describes what they want
7 0
3 years ago
3. Assume that the likelihood of a child under the age of ten watching PBS is 0.76. Three children are
natta225 [31]

Using the binomial distribution, the probabilities are given as follows:

a) 0.4159 = 41.59%.

b) 0.5610 = 56.10%.

c) 0.8549 = 85.49%.

<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.

For this problem, the values of the parameters are:

n = 3, p = 0.76.

Item a:

The probability is P(X = 2), hence:

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

P(X = 2) = C_{3,2}.(0.76)^{2}.(0.24)^{1} = 0.4159

Item b:

The probability is P(X < 3), hence:

P(X < 3) = 1 - P(X = 3)

In which:

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

P(X = 3) = C_{3,3}.(0.76)^{3}.(0.24)^{0} = 0.4390

Then:

P(X < 3) = 1 - P(X = 3) = 1 - 0.4390 = 0.5610 = 56.10%.

Item c:

The probability is:

P(X \geq 2) = P(X = 2) + P(X = 3) = 0.4159 + 0.4390 = 0.8549

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

#SPJ1

4 0
2 years ago
How many leaves on a tree diagram are needed to represent all possible combinations tossing a coin 4 times?
gtnhenbr [62]
1/2 x 1/2 x 1/2 x 1/2 = 1/16

Answer: 16

6 0
3 years ago
Read 2 more answers
A seal diver dives when it sees a whale. The seal dives for 5 seconds at an average rate of 3.5 meters per second.
poizon [28]

Answer:

-3.5*5

Step-by-step explanation:

-3.5 added 5 times is this same thing as multiplying -3.5 times 5

4 0
3 years ago
Which is less -.72 or -7/12
Likurg_2 [28]

ok so 7 divided by 12 is 0.5833333 repeating so -0.72 is less because the bigger one is always less in the negatives

5 0
3 years ago
Read 2 more answers
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