A banker wants to estimate the true mean of how much money adults keep in their bank accounts. He wants to be 95% confident that he is within $100.How many people does he need to sample if the standard deviation is $252.73?

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

What is the ratio of the length of an object in yards to the length of the same object in miles?

Fill in the table with whole numbers to make 430 in five different ways