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2 years ago

Complete the function to return the factorial of the parameter using recursion.

Computers and Technology

1 answer:

Klio2033 [76]2 years ago

7 0

def recursiveFactorial(number):

if number > 1:

return number * recursiveFactorial(number-1)

else:

return 1

stringNum = input("Enter a positive integer: ")

num = int(stringNum)

print(recursiveFactorial(num))

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Fifty-three percent of U.S households have a personal computer. In a random sample of 250 households, what is the probability th

aleksley [76]

Answer:

The correct Answer is 0.0571

Explanation:

53% of U.S. households have a PCs.

So, P(Having personal computer) = p = 0.53

Sample size(n) = 250

np(1-p) = 250 * 0.53 * (1 - 0.53) = 62.275 > 10

So, we can just estimate binomial distribution to normal distribution

Mean of proportion(p) = 0.53

Standard error of proportion(SE) = $\sqrt{\frac{p(1-p)}{n} }$ = $\sqrt{\frac{0.53(1-0.53)}{250} }$ = 0.0316

For x = 120, sample proportion(p) = $\frac{x}{n}$ = $\frac{120}{250}$ = 0.48

So, likelihood that fewer than 120 have a PC

= P(x < 120)

= P( p^ < 0.48 )

= P(z < $\frac{0.48-0.53}{0.0316}$ ) (z= $\frac{p^-p}{SE}$ )

= P(z < -1.58)

= 0.0571 ( From normal table )

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2 years ago

The _______ number system allows digital devices to represent virtually any number simply by using 0s and 1s.â

zhuklara [117]

The answer is <span>Digital data

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3 years ago

The following code processes a file containing five positive numbers. What will the variable $result contain after the code is e

Tanzania [10]

Answer:

highest of five numbers in the file

Explanation:

This code reads the file "some-file.txt" and saves the result in variable "somefile"
The runs a for loop for a count of 5.
In each loop it compares the current value of the file with the value of the variable result and if the result is true it updates the value of the variable result.
At the end of this code the variable result will contain the highest value in the file "some-file.txt" and print it.

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3 years ago

After installing the second hard drive . what two tasks need to be done and what do they do?

Sunny_sXe [5.5K]

Create a partition using the Disk Management program and format the hard drive.

The first point will allow the hard drive to be put to use, and the second point will clear the hard drive completely so it's ready for use.

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2 years ago

1. Write a Python code to:

Ksenya-84 [330]

Answer:

hope this help and do consider giving brainliest

Explanation:

import numpy as np

A=np.array([[1,4,3,2],[1,7,4,5],[2,5,3,1],[1,3,2,9]]);

print("Inverse is");

B=np.linalg.inv(A);

print(B);

print("A*A^-1=");

print(np.dot(A,B));

print("A^-1*A=");

print(np.dot(B,A));

import numpy as np

A=np.array([[4,3,2],[5,6,3],[3,5,2]]);

B=np.array([[3,-1,2,6],[7,4,1,5],[5,2,4,1]]);

X=np.dot(np.linalg.inv(A),B);

print("X=");

print(X);

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2 years ago