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viktelen [127]
3 years ago
12

A randomly generated password contains four characters. Each of the four characters is either a lowercase letter or a digit from

0–9. Each character in the password cannot be used more than once.
HELP QUICKLY PLEASE
What is the approximate probability that exactly one of the four characters will be a number?

1%
11%
28%
44%
Mathematics
2 answers:
kicyunya [14]3 years ago
8 0

The correct answer is:

C. 28%

The approximate probability that exactly one of the four characters will be a number is 28%.

|Huntrw6|

juin [17]3 years ago
6 0
Sample space is 36C4
Now, we want to know all of the combinations that have 1 digit in it.
So, we can have one here:

1XXX
X1XX
XX1X
XXX1

But we have 10 different digits to choose from. So, we need to introduce the combination term, nCr, where n is a list of all digits and r is how many we want.

Since we only want one, we will need 10C1 for the number of digits. But we need to choose three lowercases, so it becomes 10C1 × 26C3

Since it's a probability question, we need to divide that by our sample space, 36C4, and our percentage becomes 44%
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In how many year the interest will became equal to the principal is rs.1200 is deposited at the rate of 25% in a bank ​
mrs_skeptik [129]

Given:

Principal = Rs. 1200

Rate of interest = 25%

To find:

The time in which the interest will became equal to the principal.

Solution:

We have,

P=1200

r=\dfrac{25}{100}

r=0.25

If interest is equal to the principal, then

Amount=Principal+Interest

Amount=1200+1200

Amount=2400

The formula for amount is:

A=P\left(1+r)^n

Substituting A=2400, P=1200, r=0.25 in the above formula, we get

2400=1200(1+0.25)^n

\dfrac{2400}{1200}=(1.25)^n

2=(1.25)^n

Taking log on both sides, we get

\log2=\log(1.25)^n

\log2=n\log(1.25)               [\because \log a^b=b\log a]

\dfrac{\log2}{\log(1.25)}=n

n\approx 3.11

Therefore, the interest will became equal to the principal in about 3.11 years.

4 0
2 years ago
I need help now if baby yoda is to live in the next episode in Mandalorian
Nady [450]

Answer:

1. 52*

2. 128* ( I think)

Step-by-step explanation:

3 0
3 years ago
WRITE and absolute value inequality for graph below, use X for your variable... PLEASE HELP IF CORRECT I WILL NEED HELP WITH TWO
kumpel [21]

The absolute value inequality is given by:

|x| <= 7

<h3>What is the absolute value function?</h3>

The absolute value function is defined by:

  • |x| = x, x >= 0.
  • |x| = -x, x < 0.

The absolute value function measures the distance of a point x to the origin, that is, the distance to x = 0.

Looking at the graph, it comprehends points that are at a distance of at most 7 units to the origin, hence the absolute value inequality is given by:

|x| <= 7

More can be learned about the absolute value function at brainly.com/question/24734454

#SPJ1

4 0
1 year ago
In a group of 26 pupils, 3 play the flute only.
Arada [10]
26 minus 3 is 23 , 23 minus 5 is 18, 18 minus 7 is 11 so i’m pretty sure


answer =11
7 0
2 years ago
Read 2 more answers
15% of the apple trees are red delicious apple trees. The orchard has 36 red delicious apple trees.
grin007 [14]

Answer:

240

Step-by-step explanation:

240 times 0.15 (15%) is 36

8 0
2 years ago
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