There are 39 employees in a particular division of a company. Their salaries have a mean of $70,000, a median of $55,000, and a standard deviation of $20,000. The largest number on the list is $100,000. By accident, this number is changed to $1,000,000.

a)What is the value of the mean after the change? Write your answer in units of $1000.

b)What is the value of the median after the change? Write your answer in units of $1000.

c)What is the value of the standard deviation after the change? Write your answer in units of $1000.

What are the soultion(s) to the quadratic equation 40- x^2=0

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?

This is about circle theorems. someone asap : (