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o-na [289]
3 years ago
5

Find the median for this list of data. 85,84,82,88,64,90,85,78​

Mathematics
2 answers:
kherson [118]3 years ago
8 0

Answer:84.5

Step-by-step explanation:

shepuryov [24]3 years ago
6 0

Answer:

84.5

Step-by-step explanation:

1. Put the numbers in numerical order.

2. Cross out the numbers on the far left and right until you get to 84 and 85.

3. Add the two numbers and divide by 2.

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A box has 11 marbles, 3 of which are white and 8 of which are red. A sample of 4 marbles are selected randomly from the box with
aliina [53]

14/99

Select 1 marble; the chance that it is white is 4/12. Select a 2nd marble; the chance that it is white is 3/11. Select a 3rd; the chance it is white is 2/10. Select a 4th; the chance it is red is 8/9. Select a 5th; the chance it is red is 7/8. The chance of getting this specific set of 5 marbles in this order is (4/12)×(3/11)×(2/10)×(8/9)×(7/8)=(2×7)/(11×10×9).

This specific set could occur in the permutation of 5 things taken 5 at a time where 3 are identical (white), and the other 2 are also identical (red). The formula for this is 5!/(3!2!)=10.

Combining the chance of getting white, white, white, red, red with the number of ways 3 white and 2 red could have been distributed in the draw of 5 marbles gives the answer:

{(2×7)/(11×10×9)}×10=14/99

A similar process will show that the chance of getting 5 red marbles is 7/99; 4 white and 1 red is 1/99; 2 white and 3 red is 42/99; and 1 white and 4 red is 35/99.

6 0
2 years ago
Need help with this ASAP
Mariana [72]

Answer:

Sequence: 13, 20, 27

Rule: Tn = 7n + 6

Step-by-step explanation:

The 3 other numbers that can form an arithmetic progression is 13, 20, 27...

The nth term of an arithmetic progression is expressed as;

Tn = a + (n-1)d

a is the first term = 13

n is the number of terms

d is the common difference = 20 - 13 = 27 - 20

d = 7

Substitute

Tn = 13 + (n-1)(7)

Tn = 13 + 7n - 7

Tn = 7n+13-7

Tn = 7n + 6

This gives the required rule

5 0
3 years ago
What is the quotient of 22/3
Artemon [7]

Answer:

7

Step-by-step explanation:

3 0
3 years ago
What is 44 divided by 93
Shalnov [3]

Answer:

0.47311827957

Step-by-step explanation:

44/93= 0.47311827957

hope this helps u

5 0
3 years ago
Use <, >, or = to compare these numbers. 3.08m and 3.8m
dolphi86 [110]
This will be
3.08<3.8 or
3.8>3.08.
4 0
3 years ago
Read 2 more answers
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