The University of California Office of the President (UCOP) wants to estimate the mean annual salaries for graduate students employed as TAs across the University system. They collected a random sample of 25 salaries from graduate students employed as TAs, and found a sample mean of $19,267 and a sample standard deviation of $3,144. Find a 90% confidence interval for the population mean salary, assuming that the population distribution is normal.

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation:

good luck on your studies! : )

david edward.

answer: a. 13/44

step-by-step explanation: judging by the information given to us, we are looking for experimental probability. we can see that 13 males have chosen chocolate ice cream. there are 44 ice creams in total (remember that the total is always the denominator). so our answer is 13/44.