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Ostrovityanka [42]
3 years ago
11

What is the value of X

Mathematics
1 answer:
AleksandrR [38]3 years ago
7 0
Well you see here, you need to take attest pre-calculus to answer this question.  I am in 6th grade.
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Suppose that each time Giannis Antetokounmpo shoots a free throw, he has a 3/4 probability of success. If Giannis shoots three f
GREYUIT [131]

Answer:

84.38% probability that he succeeds on at least two of them

Step-by-step explanation:

For each free throw, there are only two possible outcomes. Either Giannis makes it, or he does not. The free throws are independent. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

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

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

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

And p is the probability of X happening.

He has a 3/4 probability of success.

This means that p = \frac{3}{4} = 0.75

Giannis shoots three free throws

This means that n = 3

What is the probability that he succeeds on at least two of them

P(X \geq 2) = P(X = 2) + P(X = 3)

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

P(X = 2) = C_{3,2}.(0.75)^{2}.(0.25)^{1} = 0.4219

P(X = 3) = C_{3,3}.(0.75)^{3}.(0.25)^{0} = 0.4219

P(X \geq 2) = P(X = 2) + P(X = 3) = 0.4219 + 0.4219 = 0.8438

84.38% probability that he succeeds on at least two of them

6 0
3 years ago
Find the value of x for the right triangle. Round your answer to the nearest hundredth.
Karo-lina-s [1.5K]

Answer:

450 foe

Step-by-step explanation:

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3 years ago
ASAP!! ILL GIVE BRAINLEST
densk [106]

Answer:

A^-1:B^-1

Step-by-step explanation:

im not 100% sure but i think this is the right answer :)

8 0
3 years ago
Estimate of 0.75 divided by 3.15
Ganezh [65]
0.3333333333333333333
4 0
3 years ago
79+65<br> leave change change
vampirchik [111]
144                      I believe 
---
veronica howard
6 0
3 years ago
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