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Illusion [34]
3 years ago
14

Find The IQR the interquartil range

Mathematics
2 answers:
zloy xaker [14]3 years ago
8 0
The interquartile range is the range between the 25th and 75th percentile. There are a total of 10 dots hence the difference between the 3rd dot and the 8th dot is 12-9-3
Vilka [71]3 years ago
3 0

Answer:

50

Step-by-step explanation:

1.10

2.10*5=50

Hope this helps!!

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The diameter of a circle is 20 centimeters. What is the radius?
Mama L [17]

Answer:

10

Step-by-step explanation:

radius is the middle point of a circle, therefore divide it in half.

8 0
3 years ago
Prove: If C⊂A and D⊂B then D−A⊂B−C
nalin [4]
Let x\in D\setminus A, so that x\in D but x\not\in A. Since D\subset B, it follows that x\in B, and since C\subset A, it follows that x\not\in C, which means x\in B\setminus C.
3 0
3 years ago
A computer chess game and a human chess champion are evenly matched. They play twelve games. Find probabilities for the followin
sleet_krkn [62]

Answer:

The probability that they each win six games is 0.225.      

Step-by-step explanation:

Given : A computer chess game and a human chess champion are evenly matched. They play twelve games.

To find : The probability that they each win six games?

Solution :

Applying binomial distribution,

Here n=12 and p=0.5

P(X=k)=\frac{n!}{k!(n-k)!}\times p^k\times (1-p)^{n-k}

The probability that they each win six games is k=6.

P(X=6)=\frac{12!}{6!(12-6)!}\times 0.5^6\times (1-0.5)^{12-6}

P(X=6)=\frac{12\times 11\times 10\times 9\times 8\times 7\times 6!}{6\times 5\times 4\times 3\times 2\times 6!}\times 0.015625\times 0.015625

P(X=6)=11\times 2\times 3\times 2\times 7\times 0.015625\times 0.015625

P(X=6)=0.225

Therefore, The probability that they each win six games is 0.225.

3 0
3 years ago
charlie needs to make a total of 60 deliveries this week. so far he has completed 18 of them. what percentage of his total deliv
VladimirAG [237]
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Charlie has completed 30% of his deliveries
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You sell T- shirts for a fundraiser. It cost $112 to have the T- shirts made. You make $98 in sales. What is your profit
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