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kkurt [141]
3 years ago
7

Please help me with this question

Mathematics
1 answer:
MariettaO [177]3 years ago
3 0

Answer:

It would be A,B

Step-by-step explanation:

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Igoryamba

Answer:

C

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How many 3.4 ounce packages of cinnamon can be made from a 24-ounce box of cinnamon?
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7.5 i believe. not very good at math tho lol
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A certain type of digital camera comes in either a 3-megapixel version or a 4 megapixel version. A camera store has received a s
Morgarella [4.7K]

Answer:

a) Hyper-geometric distribution

b1) P(X=2) = 0.424

b2) P(X>2) = 0.152

C1) Mean of X = 1.67

C2) Standard Deviation of X = 0.65

Step-by-step explanation:

b1) P(X = 2) = (5C2 * 7C2)/(12C4) = (10 * 21)/(495) = 210/495

P(X=2) = 0.424

b2) P(X>2) = 1 - P(X≤2) = 1 - [P(X=0) + P(X=1) + P(X=2)]

P(X=0) = (7C4)/(12C4) = 35/495 = 0.071

P(X=1) =  (5C1 * 7C3)/(12C4) = (5 * 35)/(495) = 175/495 = 0.354

P(X=2) = 0.424

P(X>2) = 1 - P(X≤2) = 1 - [0.424 + 0.071 + 0.354]

P(X>2) = 0.152

C1) Mean of X = nk/N

k = number of 3-megapixel cameras = 5

n = number of selected cameras = 4

N = Total number of cameras = 12

Mean of X = 5*4/12

Mean of X = 1.67

C2) Standard Deviation of X

Standard deviation of X=(nk/N*(1-k/N)*(N-n)/(N-1))1/2

Standard Deviation of X=(4*(5/20)*(1-5/12)*((12-4)/(12-1))^1/2 =0.65

Standard Deviation of X = 0.65

4 0
3 years ago
17/54 divided by 4/9
andrew-mc [135]

Answer:

17/24 or 0.708

Step-by-step explanation:

find a common denominator to solve  

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3 years ago
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Write the sentence as an equation and solve. Twice the difference between 5 times a number and 6 is 18. please help!​
Dmitry_Shevchenko [17]
Twice the difference between 5 times a number and 6 equals 18:

2(5x-6)=18

We need to solve for x:

5x - 6 = 2(difference) = 18

The difference must equal 9.
In order for the difference to equal 9, x must equal 3.

5(3) - 6 = 2(difference) = 18

Let's solve:

15 - 6 = 2(9) = 18

Therefore, in this equation, x = 3.
4 0
2 years ago
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