A Bank Is Interested in Determining Whether Its Customers' Checking

A bank is interested in determining whether its customers' checking balances are linearly related to their savings balances.A sample of n = 20 customers was selected and the correlation was calculated to be +0.40.If the bank is interested in testing to see whether there is a significant linear relationship between the two variables using a significance level of .05,the correct null and alternative hypotheses to test are:
H₀ : r = 0.0
H_a : r ≠ 0.0