Salaries of 50 college graduates who took a statistics course in college have a mean, X. of $67,100. Assuming a standard deviation, c. of $18,022, construct a 95% confidence interval for estimating the population mean

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

What is negative 3/9 times negative 2/8 ?