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Lerok [7]
3 years ago
13

Probability theory predicts that there is a 16.2% chance of a particular basketball player making 5 free throws in a row. If the

basketball player taking 5 free throws is simulated 5000 times, in about how many of the simulations would you expect at least 1 missed free throw?
Mathematics
2 answers:
kenny6666 [7]3 years ago
6 0
There is a 83.8% chance that the player will have at least 1 missed free throw.
5000 · 0.838 = 4190 simulations
Shtirlitz [24]3 years ago
6 0

Answer:

<em>4190</em>

Step-by-step explanation:

Given that,

<em>Probability theory predicts that there is a </em><em>16.2%</em><em> chance of a particular basketball player making </em><em>5 free throws</em><em> in a row.</em>

Let us assume that, A be the event that, 5 free throws happen. So

P(A)=0.162

So the probability of the event of not happening the event A or event of missing  at least 1 free throw will be,

P(A^c)=1-0.162=0.838

So, in 5000 trial, number of missed free throw will be,

=0.838\times 5000=4190


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3 years ago
The third term of an arithmetic sequence is equal to 9 and the sum of the first 8 term is 42. Find the first term and the common
zloy xaker [14]

Answer:

The first term is 14

The common difference is -2.5

Step-by-step explanation:

we know that

The rule to calculate the an term in an arithmetic sequence is

a_n=a_1+d(n-1)

where

d is the common difference

a_1 is the first term

we have that

The third term of an arithmetic sequence is equal to 9

so

a_3=9

n=3

substitute

9=a_1+d(3-1)

9=a_1+2d ----> equation A

The rule to find the sum of the the first n terms of the arithmetic sequence is equal to

S=\frac{n}{2} [2a_1+(n-1)d]

we have

The sum of the first 8 term is 42

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S=42

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substitute

42=\frac{8}{2} [2a_1+(8-1)d]

42=4[2a_1+7d]

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Solve the system of equations

9=a_1+2d ----> equation A

10.5=2a_1+7d ----> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

using a graphing tool

the solution is (14,-2.5)

see the attached figure

therefore

a_1=14\\d=-2.5

The first term is 14

The common difference is -2.5

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Answer:

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Step-by-step explanation:

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