Answer:
Conclusion
We can conclude that the believe of the mangers of the regional banks is true
Step-by-step explanation:
From the question we are told that
The sample size is n = 200
The mean for Regular user is
The mean for Non regular is
The standard deviation for Regular is
The standard deviation for Non regular is
The level of significance is
The null hypothesis is
The alternative hypothesis is
The test statistics is mathematically represented as
substituting values
Now the critical value of the level of significance obtained from the z-table is
So given the fact as seen from the above calculation that
Then the Null hypothesis would be rejected as there is no sufficient evidence to back up the null hypothesis [Which stated that the profit from both users are the same ]