The monthly credit card debts for individual accounts are normally distributed with a standard deviation of 61 dollars. A researcher wishes to estimate the mean monthly credit card debt for all individual accounts. Find the sample size needed to ensure with 95% confidence that the sample mean will not differ from the population mean by more than 2 units.

4th option is correct xy=-10

if this was to u plzz mark me the brainliest

step-by-step explanation: the answer for wha if rt is 10 centimeters long, and wha is st? it’s 6

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.

step-by-step explanation:

for volume, add base x height x width