From Jan. 1, 1960 to Jan. 1, 2009, the historical average annual rate of return in the hypothetical country of Westeros was 11%. The annual standard deviation of the rate of return is 14%. What is the lower bound of the 95.4% confidence interval for the annual rate of return based on this information?

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

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