You are constructing a 90% confidence interval for a sample consisting of n = 9 values and an unknown population standard deviation. The population appears to be very skewed. Determine
whether a margin of error should be calculated using a critical value of za/2, a critical value of
ta/2, or neither.

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?

What is the result of the following division?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b