Question 4

Consider Binomial(30, 0.3) distribution. Do the following tasks:

4.1 Find the mean and standard deviation.

4.2 Find the probability of 4.

4.3 What is the probability that the value of the random variable is 2?

Question 5

Use the following observation to find;

= 60, = 40,

2 = 4160,

2 = 1720, = 1150, = 10

5.1 Slope

5.2 Intercept

5.3 Regression equation

5.4 Correlation coefficient