Assignment attached is only 4 questions and should be completed using python.

Python_10092020/Question_1.py
# -*- coding: utf-8 -*-
"""
Created on Thu Sep 10 21:28:24 2020
@author: RVS
"""
# Puthon code for question 1
# First of all import the numpy library
import numpy as np
# a matrix
a = np.array([[4,5,6,7],[4,1,0,1],[5,0,1,3],[9,8,3,2]])
# b is submatrix of a
b = a[1:3,1:3]
Python_10092020/Question_2.py
# -*- coding: utf-8 -*-
"""
Created on Thu Sep 10 22:43:28 2020
@author: RVS
"""
# Puthon code for question 2
# First of all import the numpy library
import numpy as np
mu, sigma = 0, 1 # mean and standard deviation
# A...