The mean credit card debt among households in one state is $8400. A hypothesis test is to be performed to decide whether the mean credit card debt for households in the formerly affluent town of Rich-No-More differs from the mean credit card debt for the state. The hypotheses are H0: μ = $8400 Ha: μ ≠ $8400 where μ is the mean credit card debt for all households in Rich-No-More. Explain the meaning of a correct decision.

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)