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love history [14]
3 years ago
9

A database system assigns a 32-character ID to each record, where each character is either a number from 0 to 9 or a letter from

A to F. Assume that each number or letter being selected is equally likely. Find the probability that at least 20 characters in the ID are numbers. Use Excel to find the probability.
Mathematics
1 answer:
Natasha2012 [34]3 years ago
7 0

Answer:

Gdg

Step-by-step explanation:

Greg

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Patricia needs to save $20 for a new backpack. She has $5 saved in her bank.
Ivanshal [37]

Answer:

y=1.5x+5

Step-by-step explanation:

3 0
3 years ago
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Combine like terms. What is a simpler form of the expression?
qwelly [4]
-3(-4y+3)+7y 

First multiply -3 by the terms in the parentheses 
-3(-4y+3) = 12y -9
Your expression now looks like 
12y -9 +7y 
Then combine the terms containing the variable y 
12y + 7y = 19 y 
Your final answer is 
19y - 9 (answer choice A)

7 0
3 years ago
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A manufacturer of liquid laundry detergent has a .02 probability that the detergent bottles will be improperly filled. (Either t
Leya [2.2K]

Answer:

0.0006

Step-by-step explanation:

The probability is

Given that

A denotes the bottle being filled improperly

And,  

B denotes the label on the bottle will not be affixed properly

So,

P(A) = 0.02 ,

ANd, P(B) = 0.03

Also that A and B are independent events.

So, by property of independence is

P(A \cap B) = P(A and B) = P(A) P(B)

= P(A and B) =P(A)P(B)

= 0.02 × 0.03

= 0.0006

5 0
3 years ago
During a drought, a river's height decreased by 0.35 inches every day. What is the change in the river's height after one week?
love history [14]
<h2><em>Answer:</em></h2><h2><em>7*0.35= 2.45. The change is 2.45 inches.</em></h2><h2><em></em></h2><h2><em></em></h2><h2><em></em></h2>

<em></em>

5 0
4 years ago
Read 2 more answers
I need a answer for this
Alla [95]

Answer:

6

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2+b^2 = c^2 where a and b are the legs and c is the hypotenuse

a^2 + 8^2 = 10^2

a^2 +64=100

a^2 = 100-64

a^2 = 36

Take the square root of each side

sqrt(a^2) = sqrt(36)

a = 6

7 0
3 years ago
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