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Masja [62]
2 years ago
14

Can somebody help with geometry?

Mathematics
1 answer:
GaryK [48]2 years ago
5 0

Step-by-step explanation:

You can look this answers up off the paper and find the worksheet

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A computer is used to generate passwords made up of numbers 0 through 9 and lowercase letters. The computer generates 400 passwo
tamaranim1 [39]

The prediction for the number of passwords in which the first character is a vowel is 56 passwords.

<h3>How to find that a given condition can be modelled by binomial distribution?</h3>

Binomial distributions consist of n independent Bernoulli trials.

Bernoulli trials are those trials which end up randomly either on success (with probability p) or on failures( with probability 1- p = q (say))

Suppose we have random variable X pertaining to a binomial distribution with parameters n and p, then it is written as

X \sim B(n,p)

The probability that out of n trials, there'd be x successes is given by

P(X =x) = \: ^nC_xp^x(1-p)^{n-x}

The expected value and variance of X are:

E(X) = np\\

Given that the characters that can be used are numbers 0 through 9 and lowercase letters. Therefore, a total of 36 different characters are available.

Since we need to know the passwords made with vowels, therefore, the probability of a password in which the first character will be a, e, i, o, u is (5/36).

Now as the computer produces 400 passwords, therefore, the predicted value can be written as,

E = np = 400 \times \dfrac{5}{36} = 55.5556 \approx 56

Hence, the prediction for the number of passwords in which the first character is a vowel is 56 passwords.

Learn more about Binomial Distribution:

brainly.com/question/14565246

#SPJ1

5 0
2 years ago
Explain your work please
Vlad1618 [11]
30 = 60% of x
x being our variable, we need to figure out what x equals. Use the formula I put in the attachment. Multiply 30 by 60, and then divide the product by 100. That will give you the answer :)

7 0
3 years ago
A muffin recipe calls for 3 times as much flour as sugar.
BigorU [14]

f=3s

f = the amount of flour

Hope this helps! :)

7 0
2 years ago
Solve –9.4 Greater-than-or-equal-to 1.7x + 4.2.
Nutka1998 [239]

Answer:

x≤-8

Step-by-step explanation:

6 0
3 years ago
I need help on this
koban [17]

Answer:

TUS

2. 42 + 62= 104

then ,

180-104= 76

4 0
2 years ago
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