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xxTIMURxx [149]
3 years ago
15

Jessica draw circle divided into eight equal parts she cheated six of the parts what fraction is equivalent to the part of The c

ircle that is shaded
Mathematics
2 answers:
tia_tia [17]3 years ago
7 0
6:8=3:4
we divide 6 with 8 then we get new ratio 3:4

mr Goodwill [35]3 years ago
4 0
If she has 8 parts and 6 parts are shaded in then she has a fraction of 6/8 and if u divide 6 and 8 by 2 you get 3 and 4 or a fraction of 3/4
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Maggie is practicing her penalty kicks for her upcoming soccer game. During the practice, she attempts 10 penalty kicks. If each
arlik [135]

Answer:

P(X \geq 8)= P(X=8) +P(X=9) +P(X=10)

And we can find the individual probabilities like this:

P(X=8)=(10C8)(0.65)^0 (1-0.65)^{10-8}=0.176  

P(X=9)=(10C9)(0.65)^1 (1-0.65)^{10-9}=0.072  

P(X=10)=(10C10)(0.65)^2 (1-0.65)^{10-10}=0.013  

And adding we got:

P(X \geq 8)= P(X=8) +P(X=9) +P(X=10)= 0.176+0.072+0.013=0.262

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Let X the random variable of interest, on this case we now that:

X \sim Binom(n=10, p=0.65)

The probability mass function for the Binomial distribution is given as:

P(X)=(nCx)(p)^x (1-p)^{n-x}

Where (nCx) means combinatory and it's given by this formula:

nCx=\frac{n!}{(n-x)! x!}

Solution to the problem

For this case we want to find this probability:

P(X \geq 8)= P(X=8) +P(X=9) +P(X=10)

And we can find the individual probabilities like this:

P(X=8)=(10C8)(0.65)^0 (1-0.65)^{10-8}=0.176  

P(X=9)=(10C9)(0.65)^1 (1-0.65)^{10-9}=0.072  

P(X=10)=(10C10)(0.65)^2 (1-0.65)^{10-10}=0.013  

And adding we got:

P(X \geq 8)= P(X=8) +P(X=9) +P(X=10)= 0.176+0.072+0.013=0.262

5 0
3 years ago
Find the slope of a line given two or more points (2,4)(5,3)
masha68 [24]

Answer:

-1/3 (can u plz give me the brainliest answer???)

Step-by-step explanation:

change in y over the change in x. (or rise over run).

-1/3

Have a nice day!!!!!!!!!!!

<u>KA</u>

7 0
3 years ago
Read 2 more answers
Assume that you are about to buy a car. There is a probability of 0.4 that you will purchase a new vehicle, and a probability of
Mila [183]

Answer:

C. 0.1

Step-by-step explanation:

The sum of the probabilities of all possible events must equal 1.

Since there is no probability of purchasing two vehicles ore more, the events are:

- Purchase a new vehicle (0.5)

- Purchase a used vehicle (0.4)

- Purchase no vehicle at all (x)

The probability of not purchasing a vehicle is:

x=1-0.5-0.4\\x=0.1

The probability that you purchase no vehicle at all is: C. 0.1

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3 years ago
8y + 9<br><br> What is the variable term in the expression?
maksim [4K]
The variable in equations are always the letters so the variable in this equation is y
6 0
3 years ago
What is the distributive property of 56 divided by 4
gizmo_the_mogwai [7]


(40+16)=56 or

(4x10)+(4x4)=56 or

4x(10+4)=56
7 0
3 years ago
Read 2 more answers
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