The manger is balancing the ledger for a small art supply store the initial balance is 463.76 customary fancy for $12.56 $52.11 and $26.03 I have been given today and sells for 101.32 cents and 10.98 she comes up with a new balance of 511.39 what did the manager do wrong

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

What is the pattern in the values as the exponents increase?

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working